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Axonometric projections

Ipelet for simple 3D drawings.

About

Axonometric projection can be very handy when you are creating a simple drawing in 3D, especialy in physics, math or engineering. This ipelet will hopefully make your drawings easier to draw in less time.

Projection plane is defined by two angles $\phi$, $\theta$ defining the rotation of the projection plane coordinate system:

main diagram for axonometric projection

Installation

Paste the axonometric_projections_v1.0.lua file inside the ipelets folder in your Ipe installation folder.

Using the ipelet

Navigate to Ipelets → Axonometric projections

usage

Extra rotation before projection is possible, see the PDF manual for more information.

Use "Inverse operation" (Ctrl+Shift+Z) to do the inverse transformation.

It is a good idea to place axis system (press F1) in the origin if you want to have drawing already in place without further translation.

Changelog

  • 2023-01-21
    • First version uploaded
  • 2024-07-12
    • Rotation before projection available for Isometric projection (Pull request by alexcg-5)
  • 2024-08-24 [v1.0]
    • Big rework of the ipelet
    • Isometric projection is no longer a separate ipelet
    • Angles for projection are now stored (until the Ipe is closed)
    • New dialog windows for user input
    • PDF manual created