Engineering and 3D design in Inventor
We design and model in Autodesk Inventor, from a single part to a complete machine. Every design is made with production in mind: practical, without over-engineering.

We create 3D models and workshop drawings in Autodesk Inventor and, on request, arrange the production as well.
Production line for 12Pack in Tiel, designed by 12TechDesign
Design and drafting work for companies comes first. On request we also arrange production, and we 3D print parts.
We design and model in Autodesk Inventor, from a single part to a complete machine. Every design is made with production in mind: practical, without over-engineering.
From the 3D model we produce mechanical workshop drawings. For sheet metal we calculate the flat pattern: the flat shape that is cut first and then bent.
Does it need to be made as well? Then we arrange production through fixed partners: steel structures, frames, stainless steel and sheet metal. You keep a single point of contact.
We 3D print parts for companies and for private customers. Send your file with your request, for example an STL or STEP file.

Project 01
A complete production line for 12Pack in Tiel, designed entirely by 12TechDesign. The line fills, caps, seals and labels, and ends on a turntable.
| Pos. | Description |
|---|---|
| 01 | Filling machine with tank |
| 02 | Capping machine with cap feeder |
| 03 | Sealer |
| 04 | Labelling machine |
| 05 | Turntable |

A free-standing light sculpture, 2.44 metres tall.

A series of 136 custom U-profiles with 240 end plates, for suspension frames.

A stainless steel frame used to raise a bar.
These products have a fixed price or a starting price. We do not hold stock: you request a product and we get in touch with you.



Mobile stainless steel storage rack
A fully welded storage rack in stainless steel, made for intensive use in production, warehouses and workshops. The trolley runs on four swivel castors with brakes, so you can move it to where it is needed and lock it in place.
The central column carries angled support bars of 20 × 20 mm stainless steel tube on both sides, spread over four levels. Because of the angle, materials do not slide off the supports and stay organised and within reach.
For sheets, profiles, tubes, battens and other long materials, in production, warehouses, workshops or cleanrooms.
Price: €1,195.00excl. VAT
RequestOther dimensions, extra levels or a modified version are available on request. Request a quote



Corten steel with cut-out lettering
A memorial plaque in corten steel, shaped like a slice of a tree trunk with a crack running up from the bottom edge. The full name, the name the person was known by, and the places and dates of birth and death are cut out of the plate. We use a stencil typeface for this: small bridges hold the inner parts of letters such as o and e in place.
Outdoors, corten steel forms a layer of rust that protects the steel underneath, so the plaque needs no paint or coating. We make it in the thickness you choose.
The images are an impression with a made-up name.
For a grave or a memorial spot in the garden.
Price: from €119.95incl. VATFinal price on request
RequestYou decide the text, size and thickness. Send your wishes using the form and we will give you the final price. Request a quote
Need something else? Custom work goes through a quote. Request a quote
You call, email or fill in the form. If you already have drawings or a sketch, send them along.
You receive a quote for the work.
We make the 3D model, the workshop drawings and, where needed, the sheet metal flat patterns.
You receive the drawings and files, or we have it made by one of our production partners.
After delivery you receive the invoice.
12TechDesign is a one-person business run by Rens Groenewegen in Tiel, the Netherlands. Rens designs and draws in Autodesk Inventor for industry, manufacturers and small and medium-sized businesses.
He works in a practical way, with production in mind. A design should be easy to make and no more complicated than it needs to be.

Tell us what you need and attach files if you have them. We will then get in touch with you.
Thank you. We have received your request and will get in touch with you.