Enclosures and housings
Modular Sactional Seat Base + Universal Arm/Back Panel
- Bounding box
- 889.0 × 882.7 × 743.0 mm
- Engine
- Precision B-rep
- Parameters
- 31
- Published
- November 5, 2026
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The prompt
Act as a professional furniture engineer and CAD modeler. Generate a complete parametric CAD breakdown (or OpenSCAD code) for a modular, heirloom-quality sofa seat base and universal armrest designed to match Lovesac Sactionals specifications. Use the exact technical parameters below: 1. COMPONENT 1: SEAT BASE SKELETON - Finished Outer Footprint: 35.0 inches Wide x 29.0 inches Deep x 19.0 inches Finished Height (including 2.5" feet). - Corner Posts: Four solid 4x4 posts (actual 3.5" x 3.5" x 11.5" tall). Each post has a 3/4" x 3/4" rabbet cut along its two outer faces. - Horizontal Slats: Top and bottom box slats made of 3/4" plywood, 3.5" tall, rabbeted into the 4x4 posts to create an outer skeleton measuring 34.25" x 28.25" x 11.5" high. - Storage Floor: 3/4" plywood panel recessed 1.0" up from the bottom edge of the frame to create an undercarriage wiring/lighting bay. - Top Lip: 1" x 1" interior cleat ring set down 1.5" from the top rim to support a drop-in storage lid with a 3/4" retention lip. - Outer Skins: Four removable 1/4" plywood exterior panels sized 34.375" wide / 28.375" deep by 11.5" tall (allowing a 1/8" visual gap for fabric wrapping). 2. COMPONENT 2: UNIVERSAL ARM / BACK PANEL (TORSION BOX) - Finished Dimensions: 35.0 inches Long x 6.0 inches Thick x 26.0 inches Tall. - Internal Frame: 2x4 framing studs sheeted on both sides with 1/2" plywood to form a rigid 5" thick hollow box. - Top Cap: 3/4" plywood top cap featuring a centered, pre-routed 3-3/8" circular pocket (1/8" deep) with a 3/4" central wire pass-through conduit hole for a wireless charger plug. Output requirements: Provide clean, scalable dimensions, pocket/rabbet depths, and coordinates for CNC nesting optimization on 4x8 sheets.
Parameters
| Name | Value | Range |
|---|---|---|
| Seat Frame Outer Width | 869.95 mm | 600 – 1600 |
| Seat Frame Outer Depth | 717.55 mm | 500 – 1400 |
| Seat Frame Height | 292.1 mm | 150 – 600 |
| Corner Post Size | 88.9 mm | 40 – 200 |
| Post Outer Corner Rabbet | 19.05 mm | 5 – 40 |
| Slat Plywood Thickness | 19.05 mm | 6 – 40 |
| Slat Height | 88.9 mm | 30 – 200 |
| Storage Floor Thickness | 19.05 mm | 6 – 40 |
| Floor Recess Above Bottom | 25.4 mm | 0 – 150 |
| Storage Floor Width | 654.05 mm | 200 – 1300 |
| Storage Floor Depth | 501.65 mm | 200 – 1100 |
| Cleat Ring Section Size | 25.4 mm | 10 – 60 |
| Cleat Drop From Top Rim | 38.1 mm | 10 – 150 |
| Lid Width | 844.6 mm | 300 – 1500 |
| Lid Depth | 692.2 mm | 300 – 1300 |
| Lid Thickness | 19.05 mm | 6 – 40 |
| Retention Lip Height | 19.05 mm | 5 – 60 |
| Retention Lip Wall | 19.05 mm | 5 – 60 |
| Outer Skin Plywood Thickness | 6.35 mm | 3 – 25 |
| Visual Panel Gap | 3.18 mm | 0 – 15 |
| Foot Height | 63.5 mm | 10 – 150 |
| Foot Square Size | 88.9 mm | 40 – 200 |
| Arm/Back Panel Length | 889 mm | 500 – 1600 |
| Frame Core Thickness | 127 mm | 60 – 250 |
| Arm/Back Panel Height | 660.4 mm | 300 – 1000 |
| Arm/Back Side Skin Thickness | 12.7 mm | 5 – 30 |
| Top Cap Thickness | 19.05 mm | 6 – 40 |
| Top Cap Depth | 152.4 mm | 80 – 300 |
| Charger Pocket Diameter | 85.73 mm | 30 – 200 |
| Charger Pocket Depth | 3.18 mm | 1 – 25 |
| Wire Pass-Through Diameter | 19.05 mm | 6 – 60 |
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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