Ohaco
Build 3D-printable models with blocks

Work-in-progress screenshot — subject to change
Ohaco is an app under development that lets you build 3D-printable models simply by snapping block parts together.
The design space is constrained, but the controls feel like a building game so anyone can model. Working mechanisms are planned too.
In development — coming soon
In development
Planned for distribution on the App Store (iPad / Mac) and direct download (Windows / Mac). Follow development updates at shirokumamake.com.