Parts List

STL files for 3D printing are oriented to print "as-is" on FDM style machines. Parts are designed to 3D print without any support material. Original design source may be downloaded using the links below.

File names & Quantity

  • 1x snare-noid-mount.stl
  • 2x snare-extrusion-mount.stl
  • 2x snare-extrusion-bracket.stl
  • 3x mallet-stick.stl
  • 3x mallet-noid-plate.stl
  • 3x mallet-noid-linkage.stl
  • 3x mallet-noid-holder.stl
  • 3x mallet-noid-bottom-base.stl
  • 6x mallet-ball.stl
  • 1x feather-case-top-cover.stl
  • 1x feather-case-frame.stl
  • 1x feather-case-bottom-cover.stl

Mallet Assembly

The solenoid is inserted into the holder. The solenoid holder is attached to the standoffs on the base with M3x6mm screws. The linkage connector is pinned to the solenoids plunger with an M3x16mm screw and locknut. The linkage mounting plate is secured to the solenoid holder with M3x6mm screws. The linkage is then secured to the mounting plate with an M3x16mm screw and locknut. M3x10mm long standoffs are secured to the base for evelation.

Kick Drum Assembly

The solenoid is secured to the mounting plate. Two mounting brackets are secured to the slotted holes on the mounting plate. The brackets slide onto the profile of the 2020 extrusion and secured with M4x8mm screws and slim t-nuts. The base mount is secured to the 2020 extrusion with an M4x8mm long screw and slim t-nut.

Motion Linkage

This selection analysis shows the linear motion of the plunger pushing the linkage bar and pivoting at the joint to make the mallet strike. This was created in Fusion 360 using joints and contact sets. Revolute joint type is used in the pivoting point in the linkage bar. Slider joint type is used in the plunger of the solenoid. Contact sets are created between the linkage bar and M3 screw secured to the plunger.

Slicing Parts

No supports are required. Slice with settings for PLA material.

The parts were sliced using CURA using the slice settings below.

  • PLA filament 220c extruder
  • 0.2 layer height
  • 10% gyroid infill
  • 90mm/s print speed
  • 60c heated bed

Design Source Files

The project assembly was designed in Fusion 360. This can be downloaded in different formats like STEP, STL and more. Electronic components like Adafruit's board, displays, connectors and more can be downloaded from the Adafruit CAD parts GitHub Repo.

This guide was first published on Aug 05, 2020. It was last updated on Aug 05, 2020.

This page (3D Printing) was last updated on May 10, 2021.

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