A geometrically perfect CAD file can still produce a slow, inaccurate quote if it’s missing the information a fabricator needs beyond the shape itself. Here’s exactly what should be on or accompany your drawing before you submit it.
1. Material Type
Specify the exact material: mild steel, stainless steel (and grade, e.g. 304 or 316), or aluminium (and grade, if it matters for your application). Material type affects cutting speed, cost, and whether finishing is needed.
2. Material Thickness
Thickness isn’t always visible from geometry alone, especially in 2D DXF files. State it explicitly in millimeters. This single omission is one of the most common causes of quote delays or incorrect pricing.
3. Quantity
Whether you need 1 piece or 1,000, state the quantity upfront. Pricing per unit often changes with volume, and a fabricator can’t give an accurate number without knowing scale.
4. Bend Lines and Angles (If Applicable)
For parts requiring CNC bending, indicate bend lines, bend angles, and bend direction (up or down). A STEP file captures this automatically as part of the 3D geometry; a 2D DXF needs this called out separately, usually with a bend table or annotated drawing.
5. Tolerances
If your part has critical dimensions that must hold tight tolerances, mark them explicitly. Without this, fabricators default to standard industry tolerances, which may not meet precision-critical applications like medical devices or aligned assemblies.
6. Hole Sizes and Thread Callouts
Specify hole diameters and any threading requirements (e.g., M6 tapped hole) directly on the drawing. Laser-cut holes below a certain diameter-to-thickness ratio may need secondary operations flagging this early avoids surprises later.
7. Surface Finish Requirements
If the part needs a specific finish brushed, mirror-polished, powder-coated, or painted state the requirement and color/RAL code if applicable. Finishing is usually quoted separately from cutting and bending.
8. Edge and Corner Treatment
Note if sharp edges need deburring, or if internal corners have specific radius requirements. Laser cutting naturally leaves a small radius on internal corners if your assembly needs a true sharp corner, flag it.
9. Assembly Context (Optional but Useful)
If the part is one component of a larger assembly, a brief note on how it fits can help the fabricator flag potential issues for example, if a bend would interfere with an adjacent part.
Quick Reference Checklist
Why This Matters for Quote Speed
Software-based quoting systems can calculate a fixed price within hours but only if the file and specification are complete. A missing thickness or unclear bend detail forces a manual follow-up, which reintroduces the delay that automated quoting is designed to eliminate.
FAQ’s
Material thickness. It’s often assumed to be “obvious” from context but rarely is, especially in 2D files.
No, if you don’t mark tolerances, standard industry tolerances will apply by default, which is fine for most general fabrication parts.
Add a separate bend table or annotated view showing bend line location, angle, and direction, since DXF doesn’t capture 3D bend geometry natively.
Upfront. Finishing like powder coating or polishing is typically quoted separately and specifying it early avoids a second quote cycle.
Yes, a complete drawing lets automated quoting systems price the job without manual clarification, which is what allows turnaround times as fast as 3 hours.
247 Cut Bend accepts STEP, DXF, DWG, PDF, JPG, and hand sketches include material, thickness, and quantity for the fastest quote. Upload at app.247cutbend.in.
