v1.2.40 Download the free version — no account, no card. Download

—Installation guide

Install screwit3D in SketchUp.

One package, installed once. It runs straight away as the free version; the full version is unlocked later with a licence key — no second download. SketchUp 2019–2027 on macOS and Windows.

1

Download the package

Download screwit3D_v1.2.40.rbz — the file lands in your Downloads folder. Do not unzip it; SketchUp installs the .rbz as it is.

Download the free version1.2.40

2

Open the Extension Manager

In SketchUp open the menu Extensions → Extension Manager…

3

Click Install Extension

In the Extension Manager window click the Install Extension button.

4

Pick the downloaded .rbz

Go to Downloads, select screwit3D_v1.2.40.rbz and click Open.

5

Confirm

SketchUp asks whether you want to install the extension — confirm with Yes. The package is signed through the SketchUp developer portal.

6

screwit3D is installed

screwit3D now appears in the Extension Manager list. You can close the window.

7

Open the panel

Choose Extensions → screwit3D. The panel opens and runs as the free version right away — try it on your own models.

Installing an update over an older version? Close SketchUp completely and start it again — SketchUp loads extensions only at start-up.

screwit3D panel after the first start
The screwit3D panel · free version

Activate the full version

Bought a licence? Paste the key from the e-mail into ⚙ Settings — step by step.

Activation guide

Buy a licence

Every size, no limit on joints, all 1.x updates, up to 3 computers.

Buy screwit3D

See what it does

Short recordings of real joints in SketchUp — bolts, inserts, rivet nuts, printed threads.

Features

Stuck?

Write to info@screwit3d.com — ideally with the SketchUp version and a screenshot.

Write to us