Drawing guidelines

• One separate file for each product.
• Cutting lines should be marked in white continuous lines. Engraving lines are marked in yellow.
• The contour lines in a DFX file should not be left open or overlap.
• Any additional content in the DFX should be removed.
• Drawings are true-to-scale 1:1.
• Never save the product drawing as a BLOCK layout.
• The smallest possible hole for laser cutting = 0.5 x plate thickness (note: 0.7 for aluminium), but never smaller than 1.5 mm.
• If you are placing an order for POLISHED materials, the (imagined) polish grain must run horizontally in the DFX file.

• You can upload a composition of products.
• Create a file from a sheet model with radii showing bends.
• Draw large radii with individual settings.
• Draw the ‘drill’ diameter (no diagonal sides) for the countersunk or tapped holes.
• Draw cut-outs at right angles to the sheet or plate (the cutting head cannot cut diagonally).
• STEP files for flat parts may only contain cutting lines: any bending zones or additional information must be removed.

• Holes and notches in the radius are only allowed after approval by De Cromvoirtse.
• No rounding off of notches in the tube radius. In other words, if there is a hole with corners (square, rectangular etc.) halfway along the radius, no rounding off in the hole.
• We cut as a standard in 2.5D; please state clearly if 3D cutting is required.

You can also send a CSV file for your cutting order together with your STEP/DFX/PDF files in our portal. All the information not included on the STEP or DFX file is then automatically supplemented through the attached CSV file. Making a CSV file can be done easily in Excel.

Most software applications can also export a CSV file. To ensure that our portal knows what your export file contains, you need to fill out a one-time translation table on our portal.

Work instructions for uploading a CSV file

• Guidelines
• Specifications
• Workinstructions portal