Quantity   Component name
1 × Enclosure 3D Printed - 100% infill ABS, ~57 grams, Material cost ~$1.25
1 × Push_Plate 3D Printed - 100% infill ABS, ~11 grams, Material cost ~$0.25
1 × Grip - Sip/Puff Variant 3D Printed - 100% infill ABS, ~21 grams, Material cost ~$0.50
1 × Bottom_Plate 3D Printed or laser cut - 100% infill ABS, ~20 grams, Material cost ~$0.50
7 × M3-0.5 Threaded Inserts [initeq] brand on amazon ~$0.21 each, ~$1.50 Total cost
1 × 1/4-20 Threaded Insert E-Z LOK TH-420-SV on amazon ~$0.19 each
3 × 5Kg Load Cells 75mm variety, M4 mounting holes, amazon or aliexpress, ~$2.00-$7.00 each
3 × Load Cell Amplifier Modules HX711-based, 10/60Hz rate adjustable model, ACEIRMC brand on amazon or aliexpress, ~$1.20 each
1 × Microcontroller Module seeed studio SAMD21 XIAO, ~$5.40
1 × Controller PCB Order from OSHpark, JLCPCB, PCBway, etc... ~$1.00-$14.00 range
44 × Pin Headers - Straight 2x7, 3x6, 3x4
16 × Pin Headers - Right Angle 2x2, 3x4
1 × Pressure Sensor Module - For Sip/Puff Grip HX710B-based, generic module, AEDIKO brand on amazon ~$2.50 each
1 × Reusable Straw w/Tip and Silicone base Marbe Direct on amazon ~$1.25 each
6 × M4-0.7 x 20mm Flat Head Hex Socket Cap Screws 304 Stainless Steel, Eastlo on amazon, ~$0.17 each, ~$1.00 total
4 × M4-0.7 x 30mm Socket Head Screws - Reduced Shank MSM Tools Store on aliexpress, $1.25 each, $3.75 total
3 × 8mmx20mm Light Load Compression Mould Die Springs Ruibapa brand on amazon, ~$0.30 each, $0.90 total
6 × Round Neodymium Magnets, 10x4mm, N52 grade justcreationus on ebay, ~$0.50 each, ~$3.00 total
3 × M3-0.5 x 8mm Hex Socket Button Head Cap Screws PZRT brand on amazon, ~$0.14 each, ~$0.42 total
4 × M3-0.5 x 25mm Hex Socket Button Head Cap Screws Eastlo brand on amazon, $0.15 each, $0.60 total
4 × M3-0.5 Nuts
4 × Ring Crimp Terminals
4 × Silicone Wire
1 × Thread locker compound - Removable
1 × Aquarium Rated RTV Silicone Adhesive