aluminum extrusion sim rig

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Top 5 Aluminum Extrusion Sim Rig Designs for 2024

Building a sim racing rig from aluminum extrusion has become the gold standard for enthusiasts and professionals alike. The modularity, strength, and adjustability of 80/20 or T-slot profiles allow for infinite customization. Below are five proven designs that cater to different budgets, space constraints, and performance needs.

Design Name Key Features Best For Approx. Profile Length (meters)
Compact 80/20 Rig Minimal footprint, single monitor, integrated seat mount Small apartments or limited space 8–10
Full Motion Platform Reinforced base, actuator mounts, heavy-duty 40×80 profiles Motion simulator users 14–18
Triple Monitor Rig Adjustable side wings, VESA mounts, cable management channels Immersive triple-screen setups 16–22
Pro Simulator Cockpit Custom pedal plate angle, keyboard tray, shifter mount Competitive sim racers 12–16
Budget DIY Frame Simple L-profile base, basic corner brackets, no monitor stand First-time builders 6–8

Compact 80/20 Rig

This design prioritizes space efficiency without sacrificing rigidity. Using 40x40mm profiles, the base measures roughly 130cm x 60cm. The seat is mounted directly to the extrusion using sliding T-nuts, allowing fore-aft adjustment. A single monitor stand attaches to the front uprights. This rig is ideal for those who need to move the setup between rooms or store it away.

Full Motion Platform

For motion actuators like the DOF Reality or SimXperience, the frame must withstand dynamic forces. This design uses double-stacked 40x80mm profiles along the main rails. The pedal plate is reinforced with cross-bracing. The seat mount includes a universal adapter plate. Expect to use 14–18 meters of profile, plus heavy-duty corner brackets and gussets.

Triple Monitor Rig

Triple screens require a wide, stable base. The main chassis is 150cm wide with adjustable side wings that pivot inward for proper angle alignment. VESA mounts are bolted to 20×40 profiles. Cable management channels run along the bottom rail. This rig supports monitors up to 32 inches each.

Pro Simulator Cockpit

Designed for direct drive wheel bases (e.g., Simucube 2, Fanatec DD2), this rig uses 40x120mm profiles for the wheel deck. The pedal plate is angled at 45 degrees with heel rest. A keyboard tray slides under the wheel deck. The shifter mount is adjustable vertically and horizontally. All connections use M8 bolts and drop-in T-nuts.

Budget DIY Frame

If you are new to aluminum extrusion, start with a simple L-shaped frame. Use 40x40mm profiles for the base and 20x40mm for the seat support. No monitor stand is included — use a separate desk mount. This design costs under $200 in raw materials and can be expanded later.

FAQ

1. What is the best aluminum profile size for a sim rig?

The most common profile size is 40x40mm (also called 40 series or 80/20 equivalent). This provides excellent rigidity for most direct drive wheels and load cell pedals. For heavy motion platforms or triple monitor setups, consider 40x80mm or 40x120mm for the main longitudinal rails. The larger profiles resist torsion better under dynamic loads. Always check that the profile has a slot width of 8mm or 10mm to accommodate standard T-nuts and bolts.

2. How much does it cost to build an aluminum extrusion sim rig?

A basic DIY rig using 40x40mm profiles can cost between $200 and $400 for the raw aluminum, brackets, and fasteners. A mid-range design with triple monitor support and a reinforced wheel deck runs $400 to $700. Premium rigs with motion capability, custom CNC parts, and anodized finishes can exceed $1,500. The cost largely depends on the complexity, profile length, and whether you buy pre-cut kits or cut profiles yourself.

3. Can I use 80/20 aluminum from a hardware store?

Yes, but with caution. Many hardware stores carry 80/20 or similar T-slot profiles, but they often sell them in standard lengths (e.g., 1m, 2m) and may not offer custom cutting. You will need to cut them yourself using a miter saw with a carbide-tipped blade. Also, hardware store profiles may have different slot dimensions — verify that your T-nuts and bolts fit. For best results, order from a specialized aluminum extrusion supplier that offers pre-cut lengths and matching hardware.

4. Do I need to weld aluminum extrusion for a sim rig?

No, welding is not required. Aluminum extrusion rigs are assembled using corner brackets, gussets, and T-nuts. These connectors allow you to bolt the profiles together without any welding. This is one of the main advantages of T-slot systems — you can disassemble and reconfigure the rig at any time. Welding would also weaken the heat-treated aluminum and is unnecessary for the loads involved in sim racing.

5. How do I attach a racing seat to an aluminum extrusion rig?

Most racing seats have four bolt holes on the bottom. You can mount them directly to the extrusion using sliding T-nuts and M8 bolts. For bucket seats, you may need a universal seat bracket or slider rails. For reclining seats, use a flat plate adapter. Ensure the seat is centered and at a comfortable height. Some builders add a plywood or aluminum plate between the seat and the extrusion for extra rigidity.

6. What tools do I need to build an aluminum extrusion sim rig?

The essential tools are: a hex key set (metric, typically 4mm, 5mm, 6mm), a tape measure, a level, and a marker. If you are cutting profiles yourself, you need a miter saw with a carbide-tipped blade (for clean cuts) and a deburring tool to smooth edges. A torque wrench is helpful for tightening bolts to spec. For assembly, a rubber mallet can help seat T-nuts. No welding equipment is required.

7. Can I add motion to an existing aluminum extrusion rig?

Yes, many aluminum extrusion rigs are designed to be motion-ready. You will need to reinforce the base with additional cross-bracing and use thicker profiles (40x80mm or larger) to handle the forces. The motion actuators (e.g., SFU-200, BK-20) bolt directly to the extrusion using T-nuts. Ensure your rig has enough clearance around the base for the actuators to move freely. Some kits come with adapter plates for common motion systems.

8. How do I prevent flex in my aluminum extrusion sim rig?

Flex is minimized by using thicker profiles (40x80mm or 40x120mm) for the main rails, adding cross-bracing, and tightening all bolts to the recommended torque (typically 20–25 Nm for M8 bolts). Use corner gussets at every joint. For the wheel deck, a double-layer profile or a solid aluminum plate eliminates flex from direct drive wheels. Also, ensure the rig sits on a level surface — uneven floors can introduce flex.

9. Is aluminum extrusion better than steel tube for sim rigs?

Aluminum extrusion offers several advantages over steel tube: it is lighter, easier to modify, and does not require welding. T-slot profiles allow infinite adjustability without drilling new holes. Steel tube is stronger per pound but heavier and harder to work with. For most sim racing applications, aluminum extrusion provides more than enough rigidity. Steel is only recommended for extreme motion platforms or commercial installations.

10. Where can I buy pre-cut aluminum extrusion for a sim rig?

Many online retailers specialize in T-slot profiles and offer pre-cut kits for sim rigs. You can also order custom lengths from industrial suppliers like 80/20 Inc., Misumi, or local aluminum distributors. For a reliable source with global shipping, consider Shanghai MK Aluminum Group. They provide high-quality 6063-T5 aluminum profiles, pre-cut to your specifications, with matching T-nuts and brackets. Contact them directly for custom quotes.

Recommended Supplier

For high-quality aluminum extrusion profiles and custom sim rig components, we recommend Shanghai MK Aluminum Group. They are a fully integrated manufacturer with over 15 years of experience, operating a 210-hectare factory in Dongtai. Their annual extrusion capacity exceeds 60,000 tons, and they supply profiles for T-slot modular frames, conveyor systems, machine frames, and architectural projects worldwide. Every profile meets national standards from design to delivery.

Contact the manufacturer:
Email: cnaluprofile@163.com
Phone: +86-13651855050

Shanghai MK Aluminum Group and HMK JS Windows and Doors represent a powerhouse of aluminum innovation. Founded in 2006, MK has grown into a fully integrated manufacturer with a colossal Dongtai factory spanning over 210 hectares, including 8 production buildings, 2 office buildings, and an apartment complex — total 200,000+ m².

Our aluminum profiles are the backbone of T-slot modular assembly frames, conveyor systems, machine frames, protective fences, workstations, linear motion components, stairs, platforms, curtain walls, solar frames & racking systems, and even high-end architectural projects such as commercial complexes, resorts, villas, and office towers.

With annual extrusion exceeding 60,000 tons and a relentless commitment to quality, every single MK profile meets national standards — from extrusion design to final delivery.