A PLA/PETG printable bottom case for the Ferris Sweep v2. The case is designed to accommodate one layer of 2mm thick foam that sits between the PCB and the bottom case. The foam slightly deepens/mutes the sound of the choc switches making it sound better compared to the sound on the bare PCB. The PCB is then screwed to the bottom case using the existing ‘tenting pucks’ screw holes.

Important: this case might not suit other versions of the sweep since different sweep versions may have different edge cuts.

BOM

For the full build you'll need the following items

Foam with a 2mm thickness (needs to be cut to the size of the pcb)
6-8x M2 - 5mm Screws (6mm screws works if you dont tighten the screw all the way)
Optional: Bumpons with a diameter of 8mm or 10mm

Building Instructions

Print the bottom cases: left half and right half
Cut your foam in the size of the pcb and cut holes in it where the screws of the tenting puck goes through. Use your PCB as a template to draw the outlines.
Place the foam in the case
Place the PCB on top of it and then screw it to the case using M2 - 5mm screws.

Tips: It's sufficent to use 3x screws to tighten the pcb to the case, since one of the screw holes of the tenting puck is hard to get to with the choc switch being in the way.

Variants

There are several .stl files of the case, so choose the one that suits you.

Case with 8mm Ø Bumpons
Case with 10mm Ø Bumpons
Case with no Bumpons

On top of that: I made small cutouts on the sides of the inner case wall to allow some “uncleany broken” FR4 to stick out where the PCB had to be split.

Depending on the iteration of the Sweep v2 the break out points are either on…

… the inner side where the pro micro is located (use .stl file with the “inner” tag) or
… the outter side (use .stl file with the “outter” tag)

Example of the PCB breakout being placed on the outter columns of the PCB.

Example of the PCB breakout being placed on the inner columns of the PCB.

Technical Details

Case Height: 7mm
Case Length: 114.7 mm
Case Width: 94.2mm
Wall Thickness: 3.6mm
Bottom Thickness: 2.4mm

Print Settings

Infill: 15-20% Gyroid
Perimeters: 2 (can also do 3)
Layer height: 0.2mm
Supports: none

Ferris Sweep v2 Case

by Bubbleology · original on Printables ↗

Gadgets / Other Gadgets

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License: Creative Commons — Attribution — Noncommercial — Share Alike ↗casepcbmechanicalkeyboardsweepkeyboardcasesplitkeyboardmechanicalkeyboardsferrissweep

Print profiles

Sweep_Case_Right_Half_8mm_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
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Prints on: A1 mini 0.4PLA
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Sweep_Case_Left_Half_8mm_Bumpon.stl
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Sweep_Case_Right_Half_10mm_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
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Prints on: A1 mini 0.4PLA
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Sweep_Case_Left_Half_10mm_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
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Prints on: A1 mini 0.4PLA
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Sweep_Case_Right_Half_No_Bumpon.stlDEFAULT
⏱ time and weight estimated after preparation · 1 material(s)
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Prints on: A1 mini 0.4PLA
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Sweep_Case_Left_Half_No_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
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Prints on: A1 mini 0.4PLA
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Sweep_Case_Alt_Left_No_Bumpons.stl
⏱ time and weight estimated after preparation · 1 material(s)
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Prints on: A1 mini 0.4PLA
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Sweep_Case_Alt_Right_No_Bumpons_.stl
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
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Sweep_Case_Alt_Right_Half_8mm_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
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Sweep_Case_Alt_Left_Half_8mm_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
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Sweep_Case_Alt_Right_Half_10mm_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
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Sweep_Case_Alt_Left_Half_10mm_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
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Sweep_Case_Left_NO_TRRS_Breakout_8mm_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
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Sweep_Case_Right_NO_TRRS_Breakout_8mm_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
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Sweep_Case_Left_NO_PCB_Breakout_8mm_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
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Sweep_Case_Right_NO_PCB_Breakout_8mm_Bumpon.stl
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
Order this print