How to Prepare a DXF File for a Laser Cutting Quote

A useful laser cutting quote starts with a drawing that describes the part you actually want made. A DXF file can carry the two-dimensional geometry, but you still need to confirm its scale, choose the material and thickness, and specify the quantity. Checking these details before uploading helps you spot problems while they are straightforward to correct.

At Shug Fabrication & Design in Mooroolbark, you can upload DXF or DWG part files through our instant laser cutting quote tool. If you only have artwork, a photograph or an idea, send a design enquiry for direct review instead.
Upload your DXF or DWG for an instant laser cutting quote

Check the exported size, not just the drawing label

Prepare the cutting geometry at its intended physical size. Reopen the exported DXF and measure a dimension you know, such as the overall width or a hole diameter. A dimension label is useful for reference, but it does not prove that the geometry itself has exported at the correct size.

For example, if your intended plate is 200 mm wide, check that the uploaded preview represents a 200 mm plate before accepting a quote. If the size is wrong, correct the units or export settings in your drawing software and upload a revised file. Do not assume the quoting system will recognise and repair a scale error automatically.

Keep the cutting geometry clear

Use a separate export copy so you can retain your original working drawing. Include the outline and internal features that should be cut. Keep title blocks, dimensions, construction lines and reference images out of the cutting geometry. Supply explanatory information separately when necessary.

Zoom in around corners and where lines meet. Look for accidental gaps, stray segments and overlaps. Each intended enclosed cutout should have a continuous boundary. Do not close an intentional opening simply to make a drawing pass a check; ask for help if the intended result is unclear.

Remove duplicate lines carefully

Two coincident lines can be difficult to see on screen. Check for duplicates, particularly after copying geometry or importing it from another program. Autodesk documents AutoCAD’s OVERKILL command as a tool for removing duplicate or overlapping objects. Use cleanup tools on a copy and review the result, because cleanup settings can change geometry.
Source: Autodesk OVERKILL command documentation

Make small details an explicit review point

Inspect narrow slots, closely spaced features and small holes. Their suitability depends on the material, thickness and intended function. Do not rely on a universal minimum hole size or tolerance from an unrelated job. If a feature is critical to fit or assembly, explain the requirement when asking for assistance.

Choose material, thickness and quantity together

The current cutting capabilities are mild steel up to 10 mm, stainless steel up to 3 mm, and aluminium up to 2 mm. Choose the actual thickness your project requires; do not select a thinner sheet merely to obtain a different price.

Enter the required quantity for each part and check that your file names distinguish different parts and revisions. A name such as bracket-A-rev2 makes it easier to identify a revised drawing than several files all called final. Confirm the selected material and quantities again before proceeding.

Your final upload checklist

Reopen the exported file and verify one known physical dimension.
Check the outer contour and internal cutouts.
Remove unintended construction geometry and duplicate lines.
Identify critical holes, slots or assembly requirements for review.
Select the correct material, thickness and quantities.
Check the uploaded preview against the part you intend to receive.

Read our laser cutting guidelines before uploading: Laser cutting drawing guidelines
For an explanation of pricing inputs, see Laser Cutting Quotes: What Affects the Price?: What affects a laser cutting quote?
For drawing or artwork assistance, contact Shug: Contact Shug for drawing assistance