Brackets and mounts
Curved Treadmill Side Frame & Slats Assembly
- Bounding box
- 1100.0 × 160.0 × 418.2 mm
- Engine
- Precision B-rep
- Parameters
- 20
- Published
- August 20, 2026
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The prompt
"Create a 3D CAD model of a two-piece side frame and tread slat assembly for a compact manual curved under-desk treadmill. Side Frame Component: - Overall dimensions: 1100 mm long x 160 mm tall x 18 mm thick. - Material/Appearance: 18 mm Baltic Birch Plywood. - Top Edge Profile: A continuous curved deck arc defined by a 1000 mm radius curve with a 40 mm center dip relative to the ends. - Mounting Features: A series of 84 through-holes (8.2 mm diameter) spaced at 25 mm intervals along the curved top contour, located 15 mm below the top edge to accept M8 bearing axle bolts. - Structural Tie Rod Holes: 4 through-holes (10.2 mm diameter for M10 rods) positioned strategically near the bottom edge and corners (25 mm from bottom, spaced evenly at 300 mm intervals). - Base Profile: Flat bottom surface (600 mm ground contact width) with smooth 50 mm fillet transitions leading up to the front and rear guide roller mounts. Tread Slat Component: - Dimensions: 400 mm length x 30 mm width x 12 mm thickness. - Material: Hardwood slat. - Features: Top surface features 2 mm chamfers on long edges. Bottom surface includes two recessed countersunk mounting holes (4.5 mm diameter, 8 mm head clearance) spaced 350 mm apart to secure to flexible drive belts. Assembly Layout: - Render one side frame plate and a linear array of 5 sample tread slats positioned parallel to each other across the 1000 mm radius curved deck top edge with a 2 mm gap between slats. All dimensions in mm."
Parameters
| Name | Value | Range |
|---|---|---|
| Side Frame Length | 1100 mm | 1000 – 1200 |
| Side Frame Height | 160 mm | 140 – 180 |
| Side Frame Thickness | 18 mm | 12 – 24 |
| Top Arc Radius | 1000 mm | 800 – 1200 |
| Top Arc Center Dip | 40 mm | 20 – 60 |
| Small Hole Diameter | 8.2 mm | 5 – 10 |
| Small Hole Spacing | 25 mm | 10 – 50 |
| Small Hole Offset from Top | 15 mm | 5 – 30 |
| Number of Small Holes | 84 | 10 – 200 |
| Tie Rod Hole Diameter | 10.2 mm | 8 – 14 |
| Tie Rod Hole Offset from Bottom | 25 mm | 10 – 50 |
| Number of Slats | 5 | 1 – 20 |
| Slat Length | 400 mm | 300 – 500 |
| Slat Width | 30 mm | 20 – 50 |
| Slat Thickness | 12 mm | 6 – 20 |
| Gap Between Slats | 2 mm | 0.5 – 10 |
| Slat Top Edge Chamfer | 2 mm | 0.5 – 4 |
| Slat Bottom Hole Spacing | 350 mm | 200 – 400 |
| Slat Bottom Hole Diameter | 4.5 mm | 3 – 6 |
| Bottom Corner Fillet Radius | 50 mm | 0 – 80 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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