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BackStem_radius, r2 = stem_transition_radius, $fn = top_rounding_faces cylinder(h = stem_height + nothing, = stem_radius, $fn = top_rounding_faces cylinder(h = stem_height + nothing, = stem_radius, $fn = sphere_indents_faces); height = 266 + tolerance; rail_depth = 27.4 + tolerance; // rib + half a jack col_right = width_mm - thickness*2; // draw panel, subtract holes panel(width); // Top left: clock in, speed pot_p160(); // Left side: meta-step controls // step rotary switch with two LEDs K switch dual-pole double-throw spdt ON-ON illuminated LED SW PUSH 12mm https://www.e-switch.com/system/asset/product_line/data_sheet/143/TL1100.pdf tact sw push 6mm smd CK components KMR2 tactile switch Omron B3F right angle http://www.alps.com/prod/info/E/HTML/Tact/SnapIn/SKHH/SKHHLUA010.html tactile switch 6mm ALPS SKHH right angle tactile switch Wurth Wuerth Ultraminiature Surface Mount Tactile Switch for High-Density Mounting, 3.1mm height, https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf C&K Components SPST SMD PTS645 Series 6mm Tact Switch with High Contact Reliability, Top-actuated Model, without Ground Terminal, with Boss Ultra-small-sized Tactile Switch with High Contact Reliability, Top-actuated Model, without Ground Terminal, with Boss SPST button switch OFF-(ON CMOS General Purpose Timer, 555 compatible, PDIP-8 | | | | | Tayda | A-1531 or A-557 | | Tayda | A-1847 | | | | ----- | --- | ---- | ---- | ----------- | ---- | ---- | ----------- | ---- | | | | | | Screws and spacers (see [build notes](build.md | | | Tayda | A-553 | | | Tayda | A-1847 | | Tayda | A-553 | | | R15, R17, R19 | 3 | 1nF | Unpolarized capacitor | | S3 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-14/SOIC-14 | | R24, R26, R28 | 3 | 2_pin_Molex_connector | 2 | | | | D 2 pin Molex header 2.54 mm spacing"/>