O'Cello for 1/2" rod, folding chest rest, telescoping knee rest

thingiverse

Here is o'cello with a 1/2 inch center rod (13mm-ish hole). First, thanks cokane for the excellent model - I own an electric one but it's rather bulky, so I tried making a compact one in this build. I used these items: tube (https://www.onlinemetals.com/merchant.cfm?pid=7760&step=4&showunits=inches&id=283&top_cat=197) rod (https://www.homedepot.com/p/1-4-in-x-36-in-Zinc-Plated-Round-Rod-802297/204273961) to make the telescoping end pin. Rubber end pin tip (https://www.amazon.com/gp/product/B075R8PSVS) is used as even ninjaflex isn't as grippy as the real rubber tip. [Edit notice: Amazon seems to stop carrying the 1/2 tube I use. The new link for the tube is of the same spec, but I have not tried tube from this vendor.] In this build, I also made a different part 6 to mount a c-channel holder, which holds two c-channel style shelf stiffener for a telescoping knee brace. The c-channel I have is for 3/4 inch board, but I can't find the web page for it, so you might need to modify those parts to fit your needs. The tuner I got (https://www.amazon.com/gp/product/B00GGMWD3S) is 14mm in diameter, and I made a version of part 6 to hold it without a screw plug. I printed part 6 with 4 layer wall, and it's holding up fine. Yet another piece in this build is a folding chest rest, which should also work for normal 12mm builds. For the hand screw style hardware, I use 1/4 hex screw and wing nuts - the rest are the same M5 socket screws, some might be shorter. This assorted screw (https://www.amazon.com/gp/product/B072LTK9S8/) is what I got, so if you get it, you're covered. Now on to playing cello! I need better strings now! P.S. Somehow Thingiverse is killing my Amazon links when they add their affiliate tags - copy and paste the URL to view the item.