One-way canvas wall variants

Suggestions Condo Suggestions
1

One-way canvas wall should have unique variants.

Square
Circle
Triangle
These 3 would be useful for making things like skybox elements, or wrapped custom textures on objects. Using just a canvas tube, for example, has any textures placed on the rim, which makes it difficult to use in a skybox for a wrapped around sky box texture:
Tube, outside + inside
Hemisphere, outside + inside
Cone, outside + inside

2

All the primitives essentially having an “inside out” rendering mode like you suggested would also allow people to add sweet cel-shading outlines to their condo creations.