FDF Raceshop Educational Displays exist to make suspension theory click. Each one is a working model you can pick up and move with your hands, so instead of reading about a concept or watching a simulation, you watch it happen in front of you. Sits well on a desk, a shop bench, a trailer shelf, or a classroom table. Ackermann is one of those terms that gets thrown around constantly and pictured correctly by almost nobody. This display gives you the geometry in your hands. Turn the steering and watch the inside and outside wheels take different angles. Move the tie rod pickup and watch that relationship change. Five seconds of that does more than an hour of reading about it. What you walk away with is a proper mental picture of what Ackermann actually does, which is the part most people are missing when they start guessing at their own geometry. It's a teaching aid rather than a setup tool, so it won't hand you a set of numbers to run. Every chassis, rack, and knuckle is different anyway. What it does do is take a concept you've been nodding along to for years and make it obvious, and once it's obvious, the decisions you make on your own car get a whole lot easier. Please NoteWe're thrilled that some of our 3D printed products are in high demand! Occasionally, this means certain items may have a lead time of up to 2-3 weeks as we work hard to fulfill orders. We appreciate your patience and understanding, we promise, It's worth the wait. Instruction Manual Print File Only - File will be sent to your email after purchase Personal Use Only License:By purchasing this file, you are granted a non-transferable, non-commercial license to download and 3D print this model for your personal use. You may NOT:– Resell or redistribute the digital file– Upload, share, or post the file on any website, including free STL sites– Sell physical prints of this file– Modify the file for the purpose of resale All designs remain the intellectual property of FDF Raceshop.