CAD Geometry Standards, Toolpath Layers & Material Tolerances Hub
Every parametric studio and ready-to-make template on CadFold is built on internationally recognized CAD, CNC, laser cutting, sheet metal, and structural engineering standards. Explore our 6 technical reference guides or launch our interactive Client-Side CAD Preflight & Toolpath Calculator below.
6 Authoritative CAD & Digital Manufacturing Guides
FEFCO & ECMA Corrugated Flute Caliper, Bend Allowance & Slot Relief Engineering Guide
Master reference table for corrugated board calipers (0.8mm F-flute to 6.5mm BC-flute), internal vs. external dimension conversions, rollover wall bridges (2T + 0.5mm), and dust flap clearances.
CO2, Diode & Fiber Laser Kerf Compensation Chart & Press-Fit Finger Joint Math
Reference kerf widths (K = 0.08mm to 0.25mm) by laser wattage and material, plus mathematical equations for friction-fit finger joints, mortise-and-tenon slots, and living hinges.
DIN 6935 Sheet Metal K-Factor, Bend Deduction (BD) & Air-Bending V-Die Reference Chart
Equations and gauge tables for unfolding 90° sheet metal pans, U-brackets, and HVAC duct transitions with accurate K-Factor neutral axis shift and corner tear reliefs.
How to Import .DXF, .SVG & .PDF Files at Exact 1:1 Scale in LightBurn, Illustrator & AutoCAD
Why SVG files often import at 75% or 133.3% size across different CAD programs, how CadFold locks physical mm attributes, and step-by-step import settings for every machine software.
ISO 53 Involute Spur Gears, GT2/HTD Timing Pulleys & NEMA Motor Mount Engineering Guide
Complete equations and dimension tables for mating spur gears (Module m = D_p / Z), synchronous belt pulleys, DIN 6885 shaft keyways, and NEMA ICS 16 stepper motor faceplates.
GS1 Vector Barcodes, DIN EN 13010 Euro-Slot Hang Tabs & Print-and-Cut Registration Marks
Pre-press specifications for 100% vector barcodes (zero raster pixelation), European retail pegboard Euro-slot dimensions, and optical camera registration marks.
Standard Color-Coded Vector Toolpath Layers (.DXF, .SVG, .PDF)
| CAD Layer Name | RGB Hex Code | AutoCAD ACI Index | Stroke Style | Machine Operation |
|---|---|---|---|---|
| CUT | #EF4444 | ACI 1 (Red) | Continuous Solid | 100% Through-Cut Steel Rule Knife / Full Laser Cut Power |
| CREASE | #2563EB | ACI 5 (Blue) | Dashed (4, 2.5) | Blunt Creasing Rule / Scoring Wheel / Press-Brake Bend Axis |
| SCORE | #10B981 | ACI 3 (Green) | Dotted / Hairline | 50% Depth Kiss-Cut / Vector Line Engraving / Etched Part Markings |
| DIMENSIONS | #64748B | ACI 8 (Gray) | Reference Layer | Non-cutting QA inspection labels & 50.0mm physical verification bar |