I picked up a free model on Renderosity in 2010 that had been created in 2002, of a rolltop desk. Lately, I decided to move it to Blender, where I updated the topology, and made some changes to the design. Since the original creator made it clear in his readme that the model was for non-commercial purposes only, and that he would like some compensation if the model was otherwise used, I tried to get in touch with him, because I would like to share the new version of the desk, with his restrictions on use.
Here's the desk shown on his gallery page on Renderosity: https://www.renderosity.com/mod/gallery/desk-quickie-1/297881/?p
But he removed all his models! The web page he listed no longer exists, and the email address is invalid. All I can find on the web is a "Tempest F W & Son", an architect firm in Mansfield, Nottinghamshire, England, with no email address.
The desk, as I have enhanced it, is grouped and parented to an empty, as is each drawer. I used a procedural texture for the cherry finish, but have also mapped all surfaces. Drawer interiors have an image texture from textures.com. The tambour (the rolling part (which didn't exist in the original)) is an array mapped to a curve, parented to the head of the tambour, mapped to the same curve, so changing the Z axis value of the head will make the tambour follow the inset grooves on the desk. I also modified the desk so that the hinged sides actually open/close on the hinges.
After a consult with Blendswap powers-that-be, I am marking this as fan art, for non-commercial purposes only. Unless or until someone establishes contact with FW Tempest & Son, and can loosen the restriction...
The studio backdrop is by dzerbs.
Final editing took place in Blender 2.79 (cycles).
If this is a derivative work of author, a mesh which he created, and then you later edited, and he has given no permission to distribute under a CC license, then this is just simply a copyright violation.
If it is a model you created from scratch, but using a picture of his work as a reference then there are more questions. Is his work an original work of authorship, or is it just a copy of an 1800s rolltop desk.
Well, you won't find a single vertex of the original model in mine. The Tempest model was all trigons. I added a moveable tambour where there had only been the head part. I made the side flaps movable on the hinges, which they hadn't been on the original.
The Tempest model had external wooden framing, as you can see in the image above of the original, which is pretty true to the Victorian model. When I was trying to figure out how the tambour worked I watched some home carpentry videos on Youtube and noticed the antiques all did have that framing. I wanted a cleaner looking model, so I didn't add them.
The Tempest Model had the name "Tempest Designs" on the tambour head, using that bible-type font, and I preserved that but using a similar font and Blender text objects. To me it would have seemed like theft NOT to include a reference to the inspiration for my model. If you downloaded this blend, look at the text block, and you'll see that I included the original readme, including contact info, word for word. The contact info doesn't work, but his or her usage terms are spelled out. Anybody can use the model for non-commercial purposes.
I would put the original up somewhere for public comparison, but I think THAT would be a copyright violation.
Very high quality. Good detail with all the objects appropriately named!