Love the look, I am definitely gonna get my hands on these. Will you just be offering the blender file, or a .x, or fbx?
How about some simple 'paper' looking houses or buildings?
Tree's would be nice, maybe also a rock that could fit on a tile? (to obstruct a path)
Obviously the Blender file would be easiest, but I'll probably use .obj to ensure everyone can get in on the action.
Some more houses/structures are probably on the bill - certainly foliage and stuff. However, I wonder if it would be a better decision to not bind rocks and stuff to tiles, and rather allow them to be placed where ever.
Maybe some blocks? Coins? A character? Some sort of complete set that a game can be made with, since there wouldn't be any other assets available.
You're right about there not being a lot of 3D assets available. I don't think I'll have enough time to really fill out a complete set for an entire game. What there is already, however, are loads of amazing 2D assets. With some camera tricks and billboard tweaks, some very creative 2.5D games can be made.
If I had the time, I would love to do people ... but you really need a bunch of them to be effective, and they are massively time consuming. There are already some great 2D character sprites available, I think they could make some awesome 2D 3D mashups. Remember Klonoa?
Also, if it's not already in hand, maybe it would be good to provide a low-poly collision mesh version of each tile? Maybe someone with more knowledge of 3D engines could confirm or deny this.
Suggestions: How about producing stuff for a simple RTS and/or city building game? I guess you'd need housing, industrial buildings, entertainment, temples (got already? might need to fit neatly on a tile or 2x2 tiles), mines, spaceports, turrets*, trees, gardens, etc etc.
Might also need some 3D UI stuff like selection glows...
Oh! Collision meshes are a good thought. I know Blender's GE can calculate collision meshes at runtime (cube, cylinder etc.) But if they are needed by 3D devs, I'd be happy to fulfill that request.
Do buildings and other stuff really need to fit neatly on the grid? I was kinda assuming that 3D objects can be placed willy nilly
I'll probably hit some of the other objects you listed in the next couple weeks. However, since I am basing these assets off of what I find in my daily life - I can't guarantee turrets or space ports