Building Better Experiments
Shelby Yates
Building Better Experiments
How 80/20 Aluminum Extrusion is Changing University Labs
Anyone who has run a research lab knows the drill. A grad student needs a custom test rig for a six-week experiment. The machine shop is backed up for a month. Welding a steel frame means committing to a design before you've even validated your approach. And when the experiment is done, that custom rig usually gets shoved in a corner, because it can't be repurposed for anything else.
This is the exact problem 80/20 aluminum T-slot extrusion was built to solve, and it's why the system has quietly become a staple in university engineering, physics, and biomedical labs.

What 80/20 Actually Is
80/20 is a modular aluminum framing system built around extruded bars with T-shaped slots running down each side. Instead of welding or machining a frame from scratch, you bolt pieces together using T-nuts and brackets. Need to change the height of a platform, add a shelf, or reroute a cable? Loosen a few bolts, slide the connector, tighten it back down. No cutting torch, no redesign from zero.
The system was originally developed for industrial automation, but its real strength for a lab setting is that it treats structure as something you configure rather than something you commit to.

Why Labs Gravitate Towards 80/20
Speed from idea to test. A student can sketch a rig on a whiteboard in the morning and have a working frame by the afternoon, using stock lengths and standard connectors. There's no waiting on a machinist or a welding queue.
Iteration without waste. Research rarely gets the design right on the first pass. With welded steel or custom machined frames, a design change often means starting over. With 80/20, adjusting a bracket height or adding a new mounting point is a five-minute job, and the same extrusion can be reconfigured for the next semester's project instead of being scrapped.
Precision mounting for sensors and optics. The T-slot channels give you a built-in grid for mounting sensors, cameras, linear rails, or optical components at exact, repeatable positions, which matters a lot in fields like photonics, robotics, and biomechanics where alignment tolerances affect data quality.
Safe for undergrad and grad hands. Because assembly is done with hex keys and T-nuts rather than welding equipment or heavy machining, it's approachable for students without a machine shop background, and it lowers the injury risk that comes with hot work.
Budget-friendly over the life of a lab. A frame can be broken down and its components reused across multiple projects and even multiple graduating cohorts, which stretches limited research equipment budgets further than single-use custom fabrication.

Common Lab Applications
- Test stands and fixtures for materials testing, fatigue testing, and load frames
- Optical benches and camera rigs for vision and photonics research
- Robotics platforms and gantries for controls and mechatronics coursework
- Enclosures and safety guarding around lasers, moving equipment, or hazardous processes
- Adjustable workstations that can be reconfigured between different course sections or research groups
- Cart-based mobile rigs that need to move between labs or demo locations
Getting Started
If a lab is new to modular extrusion, the easiest entry point is a small starter kit: a handful of extrusion lengths, corner brackets, T-nuts, and a base plate. Most suppliers offer pre-cut lengths and design software that lets students model a frame before ordering, which avoids the classic mistake of ordering the wrong length and waiting on a reorder.
For labs running frequent, varied projects, it's worth keeping a small stock of common lengths and connectors on hand rather than ordering per-project. That upfront investment usually pays for itself within a semester or two, once you factor in machine shop time saved and the ability to reuse components.
How RMMC Can Help
You don't have to figure this out alone, and you don't need to become an 80/20 expert before your first experiment gets built.
Design and build support. RMMC can help design and build the frame or fixture itself, so your team's time goes toward the research, mounting your equipment, and making the fine adjustments that actually get the project working, rather than toward learning a new framing system from scratch.
Custom cutting and kits. If you'd rather receive parts pre-cut to length as a kit, or if getting a fully built structure through your lab's doors and hallways would be a headache, RMMC offers custom cutting so components arrive ready to assemble on site instead of as one large, unwieldy structure.
CFI project support. RMMC supports Canada Foundation for Innovation (CFI) projects with in-kind discounts, which can help stretch a research budget further.
DIY cutting. If your lab prefers to do its own cutting, 80/20 bar can be cut with a standard miter saw fitted with a carbide-tipped, non-ferrous blade. That kind of setup is usually easy to source through a campus machine shop or facilities department, so a team with the right blade on hand can cut their own lengths as designs change.

The Bigger Picture
The shift toward modular framing in research settings reflects a broader trend in how labs think about infrastructure: build for adaptability, not permanence. A frame that can become three different things over three years is worth more to a lab than three frames built once and discarded. For university labs juggling tight budgets, rotating projects, and students who need to learn fast, that flexibility is often the difference between an experiment that ships on time and one that stalls waiting on a welder.