'Holographic' Projection

Collection of software for projecting 'holograms' onto a reflective prism using a computer monitor.

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I've seen a lot of tutorials online about how to make a phone sized reflective prism for projecting 'holograms' (not technically a hologram, but creates the illusion of one). However, they were too small to be very interesting, and I couldn't find any software to render a object properly. As a result, I created a 4-sided reflective prism from 8"x10" lexan sheets, and wrote software to render an object in the proper perspectives.


3D printable Reflective Prism base. Designed for prisms made from 1/16" Lexan, and 1.5" bottom base length.

Standard Tesselated Geometry - 26.92 kB - 11/25/2016 at 02:01



OpenSCAD design for a Reflective Prism base.

x-openscad - 410.00 bytes - 11/25/2016 at 02:01


Hologram Shooter Game

application/x-zip-compressed - 12.22 MB - 10/09/2016 at 08:47



Unity Asset Package for rendering on a reflective prism.

- 3.39 kB - 10/04/2016 at 03:37


  • 1 × Lexan Sheet Size of prism depends on sheet size.
  • 1 × Adhesive Alternatively, the Lexan can be bent to shape. However, I have not tried this yet.

  • Rochester Mini Maker Faire 2016

    Billy Stevens11/25/2016 at 02:09 0 comments

    I recently presented three reflective prisms a the Rochester Mini Maker Faire. It was great to see people of all ages interested in this project. I uploaded a few new files for 3D printing a base to hold the sides of a prism together. In addition, I added a link to a web version of the demos shown at the Faire.

  • Games and Holo Graphs

    Billy Stevens10/09/2016 at 09:17 0 comments

    Just made an interactive rotational shooter game for the reflective prism as part of a 24 hour game jam. The current build is in the files section of the project.

  • Prism Dimension Calculator and More Lexan

    Billy Stevens09/26/2016 at 15:48 0 comments

    I've added a prism dimension calculator to my portfolio website. The calculator takes in the aspect ratio of a sheet and produces a template for cutting prism sides. I've also put in an order for a larger Lexan sheet. That way I can experiment with alternative ways of constructing the prism, such as bending the sheet or 3D printed fittings. This will be a big improvement over the hot glue and masking tape that holds my current prototype together.

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