Wheel Spacer Mock-Up Generator
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Description
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Fit-checking only. Not for road use.
This OpenSCAD project generates a parametric wheel spacer mock-up for bench and print fitment checks. It supports hubcentric rings, counterbore/countersink head pockets, nut recesses, and single/dual (half-step) bolt patterns.
Membership
Want early access to prototypes, a full commercial license, and a say in what I design next? ➡️ [Become a member] and get monthly behind-the-scenes updates & exclusive files.
Highlights
- Quick Setup: Basic controls for thickness, OD, hub bore, wheel bore depth, PCD, bolt count, and pattern rotation.
- Multi-PCD Ready: Primary pattern plus optional half-step (dual) pattern.
- Head/Nut Options: Counterbore or countersink; front/back/both; nut recess on the opposite face.
- Hubcentric Ring: Front or back, with clearance control.
- Extras: Orientation notch, optional decorative slots, chamfered edges, cross-section view, and 2D template projection.
- Safety Checks: Guard rails on depths vs. thickness and bore relationships.
How to Use
- Open the .scad in OpenSCAD (or MakerWorld’s Customizer).
- In BASIC settings, set:
- spacer_thickness, outer_diameter
- hub_bore_diameter, wheel_bore_diameter, wheel_bore_depth
- bolt_pcd, bolt_count, pattern_rotation, add_dual_pattern
- Optional ADVANCED:
- Clearances (hole_clearance, bore_clearance, ring_clearance)
- Label options (label_text, label_placement = "auto" | "top" | "side", label_angle_deg)
- Notch/slots aesthetics.
- Render render_mode = "3d" and export STL. Use cross_section to inspect internals or 2d_template to print a drilling template.
Print Recommendations
- Orientation: Print flat on the bed.
- Layer height: 0.2–0.32 mm (mock-up).
- Walls: 3+ perimeters for clean holes.
- Infill: 20–35% is fine for mock-ups.
- Supports: Not required (built-in chamfers).
- Material: PLA+, PETG, or similar.
- Tuning: Start with test coupons (thin bore ring + one bolt hole) to dial fit. Typical diameter slack: +0.15–0.35 mm—tune bore_clearance and hole_clearance.
Notes & Safety
- This is a fit-checking mock-up to validate geometry and clearances.
- Do not use as a functional wheel spacer on any vehicle.
- Verify dimensions with calipers; online specs vary by model/year.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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