3D analysis of your component

Upload a STEP or STL file and see at once what our engineers look at before quoting: wall thickness, undercuts, draft angles and the areas where the mould steel is left too thin. Free, in your browser, with nothing to install and no sign-up.

The viewer opens right here. The file is analysed on our servers and kept in a confidential archive, accessible only to our engineers.

You can also open it full screen: 3D viewer. For a quote with prices and lead times, use the quoting tool above.

Marca 3D Viewer free for Windows

The same viewer on your computer: install Marca 3D Viewer and open STEP, STL, IGES, 3MF, OBJ and PLY files with a double click, from a folder or from an email. The measurements and the price button are the same as on this page, always up to date.

Download free for Windows

Windows 10 and 11, 64-bit · 2 MB · no registration

What it measures

These are the same measurements we use when quoting, on the same geometry engine: not a cut-down web version.

Wall thickness

A colour map on the part: where the wall is thin and where it is massive. Walls that are too thin do not fill, walls that are too thick shrink and leave sink marks.

Undercuts

Surfaces that cannot be released in the mould-opening direction. Each one needs a moving part in the mould (a slide or a lifter), meaning one more mould component and one more cost.

Draft angle

The faces below the threshold you choose. Without draft the part scores as it is ejected, and on a visible surface it shows.

Thin steel sections

The areas where, to make your part, the mould is left as a thin blade. Those are the places where a mould breaks first.

Volume and bounding box

Volume, surface area, bounding box and projected areas: the numbers a price is built on, both in 3D printing and in injection moulding.

How many fit

How many parts fit in a build volume, with the spacing you want to keep between them.

How to use it

  1. Open the viewer above and drop your file into it.
  2. Turn the part and pick the measurement you need from the top bar.
  3. If you need the price, the “Get a quote” button hands the model over to the quoting tool — no need to upload it again.

Formats and limits

The viewer opens STEP, STL, IGES, 3MF, OBJ and PLY.

For a quote we need STEP or STL: the other formats can be viewed and measured, but to price them we ask you to re-export.

A STEP file under 5 MB is tessellated by your browser; above that, our server does it, which is faster. STL files go up to 150 MB, though over the internet the practical limit is 100 MB.

What happens to your file

The file reaches our servers even when your browser opens it: we analyse it and keep it in a confidential archive that only our engineers can access. No one else sees it. Details are on the page about project confidentiality.

If you then send the part to the quoting tool, you will also find it in your area, because it is the model we quote on, and you can delete it whenever you like.

From drawing to price

The analysis tells you whether the part can be made and where the critical points are. The next step is the number: in the quoting tool you choose material and finish, and the Multi Jet Fusion price updates as you change your choices. For the other technologies, one of our engineers prepares the quote.

Go to the quoting tool

If the part is delicate, or if the analysis raised a doubt, let us look together at the same measurements you saw on screen.

Write to us

The analysis is a design aid, not an inspection: the values depend on how the model was exported and tessellated. For a formal check, let’s talk.