Pickle Core rev A.40. Hardware under CERN-OHL-S, software MIT, documents CC BY-SA 4.0. If you build one, we would love to see it.
| STL — all 55 parts | print-ready, rotated into print orientation, with PRINT_PLAN.md | 4.9 MB |
| STEP — parts + 11 assemblies | for Fusion 360 / FreeCAD / Onshape; modelled in use orientation | 7.5 MB |
| 00 · Parts to buy | Complete shopping list with Amazon and JLCPCB sources | 82 KB |
| 01 · Printing plan | Plates, orientations, infill — all 55 parts on a P1S | 85 KB |
| 02 · Rail, feet, end pieces | Joining segments, feet, the end cap and spring ends | 60 KB |
| 03 · Cart | Bearing stack, halves, dowels, encoder module, Hub | 73 KB |
| 04 · Hub electronics | Battery, board, enclosure, buttons and LEDs | 69 KB |
| 05 · Encoder and photogates | AS5600 module, magnets, fork wiring | 57 KB |
| 06 · Marble launcher | Plunger, barrel, key, base and gate bar, step by step | 1.3 MB |
| 07 · Rotation, pulley, clamp | Spindle block, disc, pulley end, table clamp | 60 KB |
| 08 · Force | Scale platform, hook and the force cart | 64 KB |
| 09 · Springs, stand, torque balance | Spring ends, stand, pivot and saddle | 567 KB |
| 10 · Rolling disc | The roller and the shifted-CoM lab | 69 KB |
| 11 · Masses and small parts | Hangers, nuts, nickels, cord, bands | 56 KB |
| 12 · Packing | How a full kit fits a 250 × 190 × 140 mm box | 117 KB |
| All manuals (.zip) | Markdown + PDF + figures | 4.4 MB |
| Lab 1 · Kinematics (.docx) | editable Word file: Structured · Guided Inquiry · Student Designed · Teacher Notes | 271 KB |
| Lab 1 · Kinematics (.pdf) | PDF preview | 397 KB |
| Lab 2 · Dynamics (.docx) | editable Word file: Structured · Guided Inquiry · Student Designed · Teacher Notes | 186 KB |
| Lab 2 · Dynamics (.pdf) | PDF preview | 362 KB |
| Lab 3 · Torque (.docx) | editable Word file: Structured · Guided Inquiry · Student Designed · Teacher Notes | 208 KB |
| Lab 3 · Torque (.pdf) | PDF preview | 398 KB |
| Lab 4 · Rotation (.docx) | editable Word file: Structured · Guided Inquiry · Student Designed · Teacher Notes | 465 KB |
| Lab 4 · Rotation (.pdf) | PDF preview | 437 KB |
| Lab 5 · Oscillations (.docx) | editable Word file: Structured · Guided Inquiry · Student Designed · Teacher Notes | 344 KB |
| Lab 5 · Oscillations (.pdf) | PDF preview | 432 KB |
| All handouts (.zip) | docx + pdf | 2.6 MB |
| Gerbers + drill (JLCPCB) | 2 layers, 1.6 mm, tented vias, ENIG recommended | 156 KB |
| BOM (JLCPCB) | 38 lines, LCSC part numbers | 2 KB |
| CPL (JLCPCB) | component placement | 2 KB |
| Schematic | A2 sheet | 542 KB |
| KiCad 7 project (.zip) | project, board, schematic, SVG renders, DRC and circuit test reports | 1.4 MB |
| pickle_hub.ino — firmware 1.2 | Arduino-ESP32, no libraries to install | 37 KB |
| Dashboard 1.3 | single HTML file, Web Bluetooth / Web Serial | 68 KB |
| Firmware README | flashing, protocol, commands, calibration | 17 KB |
| Firmware folder (.zip) | 41 KB |
| PASCO comparison | three runs: graphs, aligned CSVs, summary.json | 1.0 MB |
| Generators (.zip) | CadQuery parts/params/checks/build, KiCad generators, handout builder — edit a parameter, regenerate everything | 2.5 MB |
The Pickle Core kit ships printed, with every bought part in the box. Available to purchase on Shopify.