From SOLIDWORKS to Steel: The Custom Prototyping Process

In the precision shooting and tactical gear industry, off-the-shelf solutions frequently fall short. Whether you are dealing with a vintage firearm platform like a Savage Model 4C, or engineering a custom barricade brace for competition, adapting generic gear to specific mechanical tolerances is a recipe for failure. True performance requires custom engineering.

At BRDY Tactical, our foundation is built on professional tool, jig, and die making. Here is exactly how we take a concept from a digital wireframe to a hard-use physical product using advanced CAD, 3D printing, and CNC machining.

Phase 1: Reverse Engineering and SOLIDWORKS CAD Design

Every successful physical part begins as perfect geometry. When clients come to us with a broken component, an outdated receiver, or an idea for a new mechanical system (like an automated cartridge seating press), we start by reverse-engineering the environment.

Using digital calipers, micrometers, and mechanical thread gauges, we capture the exact dimensional data required. That data is ported directly into SOLIDWORKS 2015, where we construct a 3D parametric model. This allows us to:

• Map exact receiver raceway dimensions and MIL-STD-1913 Picatinny rail specifications.
• Calculate geometric clearances for complex components like tapered spline gears.
• Run stress simulations to identify potential failure points before a single chip of metal is cut.

Phase 2: Functional 3D Printing and Rapid Prototyping

Machining steel or aluminum immediately is a costly mistake if the ergonomics aren't perfect. We bridge the gap between digital CAD and final production using industrial-grade 3D printing.

For functional prototyping, we rely on heavily modified Creality extrusion systems running tuned profiles in Orca Slicer. Depending on the mechanical requirement, we print test components in:

• ABS (Acrylonitrile Butadiene Styrene): Used for checking impact resistance and rigid structural fitment.
• TPU (Thermoplastic Polyurethane): Utilized for flexible components, recoil dampening pads, and high-heat environments.
• PLA: Used strictly for rapid, low-stress geometric dimension checks.

This additive manufacturing process allows us to hand a physical prototype to the operator within 24 hours. If a custom grip angle needs adjustment or a mounting bracket needs tighter tolerances, we revise the CAD model and reprint.

Phase 3: Precision CNC Machining

Once the 3D-printed prototype is verified for fit and function, we move to final production. As experienced toolmakers, we transition the approved CAD files into CAM (Computer-Aided Manufacturing) toolpaths for CNC milling and turning.

This is where the product achieves final operational durability. Whether we are turning down a custom steel barrel cooling nozzle, cutting precise chamber flags, or engraving permanent serial numbers into polymer, the machining phase locks in the exact tolerances verified during prototyping.