Update: I am currently at dinner and will check back in afterwards and continue to answer questions tonight.Hi Reddit, I am a maker who got obsessed with the Curta Calculator (http://ift.tt/1dnm0co, https://www.youtube.com/watch?v=P0cGjC62XRQ) and decided that I needed to have one. Instead of spending money on one from eBay I traded money for time (lots of it) to design, 3D print, and assemble all of the parts necessary.Here are some relevant links:http://ift.tt/2u2HOKC — The build instructions, models, paint masks, etchttps://www.youtube.com/watch?v=zh2Z11miQ0w — A video of the assembly with some math at the endhttps://www.instructables.com/id/Build-a-3D-Printed-Curta-Calculator/ — My instructable for the Curtahttp://www.museummura.li/content.aspx?nid=5051&groupnr=5051 — Where I found the original engineering drawings to do my CAD work fromhttps://www.youtube.com/watch?v=j9uRckJLqLk — Adam Savage’s 3D printed Curta unboxing videoI am also a proud father, husband, and software engineer. Please, Ask Me Anything! http://ift.tt/2wwyvHy