Tuesday, May 12, 2026

prototype case print 2

the big upgrades here are having a cutout for the palms and beveling (build123d filleting) all the outer edges. it makes it feel more premium to not have the edges attacking you. i've shrunk the length of the keys and case (y direction) as well so it now has adorable proportions. the strawberry mint ice cream color scheme doesn't hurt, either.
the knobs aren't connected to anything so they droop a bit.
under the hood, i've improved the keyboard a bit; accidentals are spaced a bit more like on a real piano (i.e., unevenly), which necessitated moving around the "key wiggle bridge" on the bottom of each key so each bridge was exactly the same width. this took me more time than i'd like to admit.
some notes:
  • i may try to bevel the case more; you get elephant's foot on the first layer so the top and bottom edges don't feel super smooth. however it's still a huge improvement on feel.
  • i'll probably want to bevel the tops of the accidentals.
  • i lied in the last post, you won't want a "relaxed grip" on this so the shoulder buttons should be fine pivoting around the top corners. i may want to try moving the pivot point down but keeping the buttons external profile in about the same spot, so there's a bit of a lever arm no matter where you press it.
  • the knobs coming off the bottom of the front look really fun, but the best location for these would be on the back so that your other fingers could adjust them during a performance. but they look really good here, and having them for visual feedback when adjusting isn't the worst. (i may not be leaving enough space for the actual potentiometers, hmm.) if i do move them to the back, there's room for a sick logo in front, or some waveform adjusting button(s), or both.
  • assembling this is a bit of a pain right now; i need to add more pedestals for my columns at the very least. i'm also probably overbuilding it, so there's a couple columns i could remove.

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