Geometry models 4.2.1

Minor update to remove spaces from file names for convenience in command-line applications.

Geometry models 4.2

adds 2d compatibility to triangeAngles.scad

Geometry models 4.1

This release updates the net models to have more robust living hinges, and includes separate STLs for TPU printing.

Geometry models 4.0

The fourth release adds slider models for the conic sections, coordinate system models, and revolved shapes.

Geometry models 3.0

Additions and cleanup for third release

Geometry models 2.0.1

Some files were missing from 2.0.

Geometry models 2.0

Add gnomon, reuleaux, theodorus and triangletoy

Geometry models 1.0

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