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  1. Hello, I have these three replicas of a Alamosaurus, a Mosasaurus, and a T-Rex tooth in my collection, and they seem to be very old. Has someone an Idea how old they are and how rare they have become? Thanks !
  2. Quite regularly, questions turn up about the authenticity of Keichosaurus fossil specimens. Until now, most, if not all, were natural, but mostly just very poorly prepped. Would you like to show off "real" fakes, casts or replicas of Keichosaurus? I would like to get a feeling for them, at least from pics. If there already exists such a topic somewhere else in the forum, please put a link in this topic. Thank you very much! Franz Bernhard
  3. Making replicas of my fossils has always been something very interesting to me, but for the longest time I wasn't sure about how it should be done, casting although it could preserve a lot of detail can be pricy if you want to make replicas of multiple different fossils and it is something that I am just very unfamiliar with. From that point my attention turned to 3d printing as this technology can allow us to replicate objects fairly inexpensively, but when I started to looking at 3d scanning for actually making the models I found that scanners were not all too cheap either ranging from about 500 dollars into the thousands. This is when I discovered photogrammetry, which allows you to make 3d models of objects with just a number of regular photographs taken from different angles, no need for expensive tools to scan the object. I found a free program called 3DF Zephyr that allows me to upload up to 50 pictures of a certain item and construct a 3d model from them. Yesterday I installed the program and immediately went to find one of my fossils that would be good to start off with, I wanted something where I wouldn't need to scan it from the bottom and something with good surface that would work well with the software. I thought that my Flexicalymene ouzergui from Morocco should be perfect for this. I read that you should take pictures so that every desired point of the object is seen from at least 3 different angles and so I took the bug and started doing that, I used 3 different elevations for the camera and rotated the bug taken pictures from many different angles, I ended up with a total of 45 photos. I then uploaded all of these directly into the software and it used all but 1 photo. It took a few hours to construct point clouds of a bunch of different points on the bug and some time after to reconstruct a mesh from that. What I ended up with looked pretty good and I was really happy with it for my first attempt, especially since I have heard that it may take several for you to get the model looking correct but nonetheless there were some issues with weird floating geometry around the bug. To address that I first selected everything disconnected from the model and removed that, then I took a lasso tool to select and remove all of the blobs attached to the bug that I didn't need. Here is what the model looked like before and after this: Now I saved the mesh as an OBJ and brought it into a different program to fix all the holes in it, make it solid instead of just the hollow shell I got from the scan and smooth over certain parts. This step was very successful and the model looked great, now it was time to print it. I took it into the next program to scale it properly and slice it for printing, I scales it roughly to the same size of the original bug and added all the needed parts to print it. The first print got disconnected and failed but then I made some slight changes to the model and leveled out the print bed, after that it was very late and I went to sleep but woke up today to a perfect copy of my Trilobite, it had some supports holding it up which were a bit reluctant to disconnect but after a bit of cleanup it looked great. Here is the finished print alongside the original: This has been a really fun thing to try out and now I want to do it with some more fossils, I think the next one I am going to try will be a small crinoid and then a more challenging model like a brachiopod where I will need to do some processing with photos as I will be taking pictures from all sides of the object. I encourage anyone interested to try it for themselves, if you want any help or additional information as to how I did certain things here I would be happy to discuss that with you. Thank you for looking, Misha
  4. Hello together, I am proud to present another one of @lormouths beautiful skeletons I have the pleasure to assemble. At first I intended to build it in the nice quadrupedal position from "Dragons of the air" 1901, but it seems that the shoulder girdle doesnt allow it, especially the right arm that is held closely to the torso. Of course it could be depending on cartilage, but atl east looking at Laurents detailed replica bones, it looks wrong to put it in that pose. I missed the opportunity to take a foto of the neatly packed set of bones I found in my christmas parcel. Thanks again Laurent!
  5. Hello everyone! I'm going to start posting fossils individually, to gain more traction on the forum. I'll post a few fossils I am worried are fake or composite today, then repost any fossils I have yet to receive identification for with higher-quality images in about a week. I bought this Edmontosaurus tooth fossil from a somewhat unreliable website online. Is it real? If any of you need more high quality photographs, please tell me. Also, as I don't know where else to post this, I purchased this Tarbosaurus claw replica a while ago. Do any of you know which digit it comes from? Thank you and hope you have a good day!
  6. Hi, I am on the hunt for fake or synthetic amber with inclusions, and only fake or synthetic. The symposium that my society is hosting is having a silent auction and I would love to find someone to approach to make a donation request for a piece of fake amber with an inclusion. I have tried Google but all the results are for how to avoid fake amber, which is the opposite of what I am trying to do.
  7. Attached are a few pictures of woolly mammoth teeth. Some of the pictures are real (per the seller) and some are replicas. My question is without additional information (which I think a seller could fabricate) how can you tell the real from the replica?! Thank you!
  8. Hello, here my last skeleton : Dimorphodon Macronyx full size, based on the specimen NHMUK PV OR 41212 discovered by Richard Owen. Enjoy!
  9. A supposed fossil seen on a website, based on my research its probably based off of or is a specimen of the genus Platycephalichthys Thoughts on if its a replica or real?
  10. i,m joe, a retired welder, i built myself a small workshop in my garden, and as a hobby, i now make replica " dinosaur" skeletons from steel and stainless steel !i thought you might appreciate how much time/ effort goes into making them !,firstly all parts are " hand cut and shaped" on my anvil mostly, going off pictures of the real thing i then try to work out how many bones etc are say in the ribcage and so on, all joints are fully welded/ de burred and polished, and are then sprayed with a protective metal laquer ," the t.rex" i made was heated to a point where the carbon molecules in the steel "exite" turning the steel into the colours you see!, again then sprayed with a protective laquer, i do have more pics of other stuff which i will show later.
  11. This is more something to smile about: The seller claims that this is a (scaled down) replica of a genuine faerie find from Dartmoor (which was even shown on TV!). If this would cost just a few euros I might have even bought this for fun, but the seller is asking about 350€ for it. That is then not worth the fun for me.
  12. LordTrilobite

    Fun with 3D Printing Fossils

    So recently my father bought a 3D printer and we've been experimenting printing some cool fossils for a while now. It's a really cool technology. Though it can take a while to print a piece the results are really quite cool. A life size Archaeopteryx can take a few days to print if you don't keep printing during the night. Finishing up the prints afterwards can also take a bit of time. Cleaning off all the supports and sanding down rough surfaces can be quite the process. Then there's painting depending on the desired result of course. There are actually a lot of nice things that can be found for download on the internet. Though many of these models still require a bit of digital cleanup before they could be printed. So here are a number of the painted, unpainted and half painted results. Most of the printed stuff is dinosaur. Photo of the 3D printer and the just finished print of a juvenile Edmontosaurus lower jaw. And here's the same Edmontosaurus jaw print half painted again with the real fossil in mirror image next to it. I scanned the original bone that I then mirrored digitaly so that I could print out the other side of the jaw. Allosaurus hand claw. Clidastes Mosasaur quadrate bone. Skull of the "Prosauropod" Massospondylus. Holotype right lower jaw of Owenodon hoggi, an Iguanodontid. Download link: https://sketchfab.com/3d-models/iguanodon-jawbone-f016ad38ebb647988dafd6bbdc1510d0 1/5th scale Nanotyrannus lancensis skull. The Cleveland specimen. Download link for original file: https://sketchfab.com/3d-models/nanotyrannus-lancensis-young-t-rex-7b0967fa27674d959647868686b6717b One of my favourites. The Eichstatt Archaeopteryx specimen. Download link for original file: https://sketchfab.com/3d-models/eichstatt-archaeopteryx-b71872ad42794ef7883021f2fa9a8079 The right side skeleton of the baby Parasaurolophus "Joe". Printed at 1/5th scale. Right humerus and pedal phalanges printed at life size. Most of the fossil prints are for my collection. But my dad also wanted a few cool things which I painted for him. Skulls of Dodo and Australopithecus Taung Child. Download link for Dodo original file: https://sketchfab.com/3d-models/dodo-264b7746a42b41b2845a499de16f8538 Most are painted roughly to look like their real counter parts.
  13. Hi guys, I recently purchased this piece from an auction house here in Ireland, apologies as this is a replica display piece and not a real fossil, so I'm not sure if I'm posting in the correct discussion! I'm fairly certain that it is not anatomically correct at all, but if anyone has any information as to what species this replica represents that would be much appreciated! It is labelled as originating from the Devon Zoology Centre and has the dimensions: 92cm H x 155cm W x 55cm D.
  14. Douglas Ripsom

    titanoboa vertebra

    It's been nearly two years since last I posted, but I'm back with one of my latest creations, a lifesize replica of a bone from Titanoboa cerrejonensis. The smaller bone next to it is a vertebra from a(n estimated) 10-12-foot anaconda which I used for reference. Enjoy!
  15. First up, the seller of this egg stated upfront this is a replica, so this isn't a scam warning. Here, we have an oviraptor egg that could fool even experienced collectors. It looks realistic because it's made out of real oviraptor eggshells. It's even covered with a coating of matrix. This is common practice; I've seen hadrosaur eggs are faked this way, with plaster mixed in to make the egg seem round and heavy. For reference, here's a real Oviraptor (Elongatoolithus sp.) that's been professionally prepped. Oviraptor eggs are commonly faked, so four ways to get a real one is: 1) Get a prepped one, preferably with matrix removed. The eggshell should be black 2) Avoid eggs that are perfect. Real eggs have cracks, and sometimes missing entire chunks of shells. 3) Get one without a matrix base. This isn't a sure-fire method, but I've noticed many fake oviraptor eggs have matrix bases, whereas I can't say the same of those free of matrix. Perhaps the fake eggs require a matrix base for support during their construction process. 4) Price. Again, this is arguable, but the real Oviraptor eggs I've seen often comes with price tag several times that of dubious ones. Having sent some eggs for prepping in the past, this is justified because the cost and time of prepping may cost more than the actual egg. Some scammers like to lure people in with bargain prices. Chinese eggs flood the market, and for many collectors, a dinosaur egg is a must-have. There are more fakes than there are real ones, so take extra care if you seek to buy one. As always, if you're unsure, post pictures here and we will try to help.
  16. Borrowed this original museum replica of Australopithecus africanus otherwise known as the beautiful Mrs Ples. I'm planning on making a ceramic replica of this positive foam cast. The detail on this replica is pretty amazing, it has the bone texture, cracks and the reconstruction of the missing pieces of the skull. Looking forward to sharing this project with the forum.
  17. I have spent many hours this week scouring all the great meg photos and data on the site, however I have a very large plaster cast of a meg tooth that the Dean wants prepped, restored and made ready for a board meeting in two weeks. Good news is I can make that happen. this is a poor detail cast and has had sloppy grinder work done it in addition to at least three layers of badly applied spray enamel. Good news is I have it in a xylene/toluene/dichloromethane bath to strip the paint and preserve the plaster. bad news is I’m having trouble properly scaling the serrations on my practice runs with monster clay. I’m trying to perfect the technique before I start the apoxy work on Sunday . wondering if anyone could provide some serration macros with a millimeter scale from a meg tooth in the 5-8 inch range, I’d be forever grateful. I’ll post a step by step in the proper part of the forum when I start the actual project.
  18. I saw this while I was searching for Crato Formation fish for sale and I found this turtle that sold quite awhile ago online. On closer inspection it looks carved and painted on, but I wanted to see what everyone else thought!
  19. Resist_Hoarding

    Basement recovery part 2 Reptile Replicas?

    Part 2 of my Fathers basement I have 2 crocodile skulls and one turtle. I believe they are Replicas? but the teeth on the crocodile are Fossils? once again I believe these are out of Morocco in the 70s or 80s? Thank you
  20. Hi, I started this thread because I was kinda surprised that one didn’t exist already at this forum. I myself love replica’s to enhance my collection or to use as educational props when I visit schools, musea use them too so why shouldn’t we. And let’s be honest not all fossils are available for the common fossil collector, not all of us can affort a T-rex skull or a mounted dinosaur skeleton and rare fossils like Archaeopteryx are only to be found in museum collections, so that’s when replica’s come into play. So show us your fossil replica’s, casts and reconstructions in this thread, I am very curious to see what you guys have to show! I will kick this topic off myself with the replica's that I currently have in my collection. A replica of the famous Berlin specimen of Archaeopteryx lithographica, the original was found in the Solnhofen limestone formations of Bavaria in Germany and now resides in the collection of the Natural History Museum of Berlin A cast of a Eophrynus prestvicii, the original was found in the West Midlands in the UK and now resides in the collection of the Museo di Paleontologia in Rome Replica of an Iguanodon thumb spike, the original was found in Cuckfield, Sussex in the UK and now resides in the Natural History Museum of London A replica of a Velociraptor mongoliensis killing claw Eotyrannus lengi claw replica, the original was found on the Isle of Wight in the UK An Allosaurus fragilis thumb claw replica, the original was found in the Morrison formation in Shell, Wyoming in the USA A Baryonyx walkeri claw replica, the original was found on the Isle of Wight in the UK An Australovenator claw reconstruction A Spinosaurus aegyptiacus thumb claw reconstruction Simolestes vorax tooth replica, the original was found during the Victorian era in the Kimmeridgian clay in the UK A Tyrannosaurus rex tooth replica based on the largest T-rex tooth ever found A Juvenile Spinosaurus aegyptiacus skull reconstruction A Grallator footprint replica, the original was found in the south of France A Megalodon tooth cast, the original was found in South Carolina, USA Pterodactylus spectabilis replica, the original was found in the Solnhofen limestone in Germany and now resides in the collection of the Teylers museum in Haarlem in the Netherlands A Plesiosaurus 1/2 scale skull replica
  21. Hey there, before I found this forum, I had hopes and dreams of collectiong an affordable Droaeosauridae collection. Teeth are Teeth so they can't be very complicated and I found so many deales who were selling "Raptor" Teeth. After a few discussions with you guys I know now, that you basically need a doctorate to spot the genuine teeth and that 95% of the dealers are selling snarge. Since then, @Troodon is known to me as "Destroyer of Dreams" . So, before I fling myself in the Art of "don't buy fake teeth", I wanted to start with a few replicas. This opened the door to a lot of new horrors ... and questions. So if it's ok with you, I'd like to ask a few of those based on two replicas I already bought by highlighting questionable terminology. I roughly understand how a fossil replica is made (mold and cast method), but not really the context of the description. It seems to contradict itself. So, first of all, I talked with the "DreamDestroyer" about this replica and he stated that the skull doesn't look right. I bought it nevertheless, because I liked it as Art. What exactly is this? A life sized "actual" skull with reconstructed elements? On the claw replica: So a X-Generation cast? The reconstructed part confuses me. Thanks again and best regards Sebastian
  22. Dino1

    Replicas vs real

    Hey guys, has anyone here bought a fossil replica? If so does it look like the real thing? Does it feel the same? I’m thinking of buying some replicas because I can’t afford some real fossils.
  23. Aloha, here is the best of my collection. Since I moved together with my girlfriend, only the small and nice samples are on display, one showcase out of three. Looking forward to the day when we will have some more space. So it is a crowded mix of fossils, minerals, recent beachfinds and mosty selfmade or altered skeleton models. Sadly, only a small percentage of my fossils is selffound, although nearly all of the beach stuff is. There is the "poultry showcase", dedicated to Birds and pterosaurs (Parrot skull is a replica of course, as is the Pterosaur plate regrettably) The big showcase is a composite image because I could not get all into one foto. The whales you may know from the Palaeorecreation thread. Best Regards, J
  24. Hi I found this with the rest of my fossil replicas and was wondering if it could be a Rex tooth or another type of Tyrannosaur tooth. I don’t know if I can post this here or get an ID on it since it’s a replica but I got it at the Royal Tyrell Museum in Drumheller, Canada it’s a replica of one of there specimens. And I just wanted to know what it could be since it seemed strange to me on how skinny and long it is, Thank you!!
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