Enclosures and housings
Snap-Fit Roller Reservoir
- Bounding box
- 120.0 × 70.0 × 180.0 mm
- Engine
- Precision B-rep
- Parameters
- 35
- Published
- November 2, 2026
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Free to download and use. See the terms.
The prompt
Create a new parametric CAD model from zero. Units: mm. Coordinate system: X = width Y = depth Z = height RESERVOIR Create one hollow open-top reservoir. Overall width X = 120. Overall height Z = 180. Front face: Y = 0 flat and vertical. The reservoir expands only toward +Y. External rear profile: - Z = 0 -> Y = 20 - Z = 100 -> Y = 22 - Z = 180 -> Y = 70 Use straight continuous transitions. Wall thickness = 3. Bottom thickness = 4. Top completely open. The final reservoir bounding dimensions MUST be: X = 120 mm Y = 70 mm maximum Z = 180 mm SLOTS Create two horizontal rounded through-slots only through the flat Y=0 wall. Each slot: - total width X = 103 - total height Z = 3.8 - centered at X = 60 Slot centers: - lower slot Z = 132 - upper slot Z = 148 ROLLER R1 Create Roller R1 as a separate solid body. R1: - axis parallel to X - diameter = 8 - length = 106 - axial bore diameter = 3.4 - center X = 60 - X range = 7 to 113 - axis Y = 10.14 - axis Z = 14 R1 must remain a separate solid. R1 SNAP-FIT SUPPORTS Create two supports integrated into the reservoir body. Left support: X = 3 to 6 Right support: X = 114 to 117 Both supports: - shaft axis Y = 10.14 - shaft axis Z = 14 - circular seat diameter = 3.4 - support bottom Z = 9.8 - support top Z = 16 - Y range = 5.9 to 14.4 - upward vertical opening width along Y = 2.6 - opening centered at Y = 10.14 The circular seat must remain below the 2.6 mm opening to form a C-shaped snap-fit. Do not create holes through the reservoir walls. Keep exactly 1 mm axial clearance between R1 and each support. ROLLER R2 Create Roller R2 as a third separate solid body. R2: - axis parallel to X - diameter = 18 - length = 106 - center X = 60 - X range = 7 to 113 - axis Y = 18 - axis Z = 160 R2 must be a solid cylinder. Do NOT create an axial bore in R2 yet. FINAL MODEL The final CAD must contain exactly 3 solid bodies: 1. reservoir including R1 supports 2. Roller R1 3. Roller R2 Do not merge either roller with the reservoir. Do not add: - R2 supports - shafts - motor - coupling - cover - drain - threads - surface texture - other components Keep all stated dimensions parametric. Do not replace or reinterpret any specified dimension.
Parameters
| Name | Value | Range |
|---|---|---|
| Reservoir width (X) | 120 mm | 60 – 240 |
| Reservoir height (Z) | 180 mm | 60 – 300 |
| Wall thickness | 3 mm | 1 – 8 |
| Bottom thickness | 4 mm | 1.5 – 12 |
| Rear Y at Z=0 | 20 mm | 6 – 60 |
| Rear Y at knee | 22 mm | 6 – 70 |
| Knee height (Z) | 100 mm | 20 – 250 |
| Rear Y at top | 70 mm | 10 – 140 |
| Slot overall width (X) | 103 mm | 10 – 118 |
| Slot overall height (Z) | 3.8 mm | 1 – 20 |
| Lower slot centre Z | 132 mm | 5 – 175 |
| Upper slot centre Z | 148 mm | 5 – 175 |
| Left support X start | 3 mm | 0 – 60 |
| Left support X end | 6 mm | 1 – 70 |
| Right support X start | 114 mm | 50 – 119 |
| Right support X end | 117 mm | 51 – 120 |
| Support Y min | 5.9 mm | 0 – 60 |
| Support Y max | 14.4 mm | 1 – 68 |
| Support bottom Z | 9.8 mm | 4 – 170 |
| Support top Z | 16 mm | 5 – 176 |
| Circular seat diameter | 3.4 mm | 1 – 12 |
| Seat axis Y | 10.14 mm | 0 – 65 |
| Seat axis Z | 14 mm | 4 – 176 |
| Upward opening width (Y) | 2.6 mm | 0.5 – 10 |
| Roller R1 diameter | 8 mm | 3 – 28 |
| Roller R1 length (X) | 106 mm | 10 – 118 |
| Roller R1 bore diameter | 3.4 mm | 0.5 – 20 |
| Roller R1 start X | 7 mm | 0 – 60 |
| Roller R1 axis Y | 10.14 mm | 0 – 65 |
| Roller R1 axis Z | 14 mm | 4 – 176 |
| Roller R2 diameter | 18 mm | 4 – 40 |
| Roller R2 length (X) | 106 mm | 10 – 118 |
| Roller R2 start X | 7 mm | 0 – 60 |
| Roller R2 axis Y | 18 mm | 0 – 65 |
| Roller R2 axis Z | 160 mm | 4 – 178 |
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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