Your first look at the tab

Find the CAD/CAM tab, read the section bar and Start Here, open the J pie and the Jeweller menu, and see which version you have.

Written for version 2.18.0Updated 28 October 2026
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The add-on gives you three ways in to every tool: the tab and its section bar, a quick pie on J, and the Jeweller menu in the 3D view header. This page opens each one once. Nothing here changes your file.

Find your way round

Step 1. Open the CAD/CAM tab

Wherethe 3D Viewport.

Domove the mouse over it, press N, then click the CAD/CAM tab at the edge of the sidebar.

You should seethe section bar at the head of the tab, with the panels below it.

Blender's 3D view with a ring, and the N sidebar open on the CAD/CAM tab
3D view > N > CAD/CAM

If it goes wrongno CAD/CAM tab means the add-on is not installed or not switched on. See Install the add-on.

Step 2. Read the section bar

Wherethe head of the CAD/CAM tab, a grid of buttons with an icon and a word, three to a row.

Doclick Rings.

You should seethe button pressed and only the Rings panels showing. Click All and every panel is back, one under the other. All is chosen when you start.

The section bar at the top of the CAD/CAM tab: Start, Rings, Gems, Setting, Flow, Mirror, Measure, Mesh, Shape, Check, Setup, AI, All and Menu
CAD/CAM tab > the section bar
ButtonWhat it shows
StartThe usual order of work, as numbered buttons
RingsRing size, the rail and the band
GemsStones: make, place, twins and groups
SettingCutters and seats, claws, bezels, pave
FlowOrnament drawn flat and carried onto the piece
MirrorMirror and turn copies of any object
MeasureThe ruler and reference pictures
MeshClean-up, edge weights, Quad Fill and Loop Tools
ShapeFalloff, Centre and Size in mm
CheckWeight, standards check, print check, export
SetupUnits, alloy, what new files open with, help
AIPictures and models from words, at true size
AllEvery panel, one under the other
MenuThe Jeweller menu: every command

Blender remembers your choice between files.

Step 3. Open Start Here

Wherethe section bar.

Doclick Start.

You should seethe Start Here panel. At the top, a small box with the metal’s weight in grams and the stones’ weight in carats. Below it, numbered buttons in the usual order of work: 1 units and navigation, 2 Place Gems (Shift+G), 3 Mirror or Array, 4 Make Claws and Place Claws (Alt+C), 5 Make Cutters and Cut Metal, 6 Edit on Surface (Shift+E), 7 Standards Check. At the foot: two reminders about J and the Jeweller menu, and a Retopology menu button.

The Start Here panel: numbered buttons in the usual order of work
CAD/CAM tab > Start > Start Here

If it goes wronga red Set Units to mm button in row 1 means the scene is not in millimetres. Click it. Set up explains why it matters.

Step 4. Open the quick pie

Wherethe 3D Viewport, in Object Mode.

Domove the mouse over the view and press J.

You should seea pie of eight entries. Place Gems on the left, Place Claws on the right, Edit on Surface at the bottom, Make Claws at the top, Mirror and Copy at the top left, Make Cutters at the top right, Guides On / Off at the bottom left and All Commands at the bottom right.

The J pie menu open over a ring in the 3D view, with eight commands round the pointer
The quick pie on J

If it goes wrongthe pie opens in Object Mode only. In Edit Mode, press Tab first. Esc closes the pie without choosing anything.

Step 5. Open the Jeweller menu

Wherethe header of the 3D Viewport. In Object Mode it sits after Object.

Doclick Jeweller.

You should seeevery command, grouped in submenus: Setup, Stones, Mirror and Copy, Setting, Ring, Flow on Surface, Measure and Reference, Centre and Size, Check and Export, AI Studio, Mesh, Retopology, Loop Tools and Falloff. At the foot are Quick Pie (J) and Open the Cheat Sheet. Blender prints each command’s key beside it.

The Jeweller menu open from the 3D view header, with its Setting sub-menu listing claw and seat commands
3D view header > Jeweller

Step 6. Find your version and Help

Wherethe section bar.

Doclick Setup.

You should seethe Setup panel, with the units line, Default alloy, Presets and a link to the book’s course. Under it the Help panel. Its first line reads CAD/CAM Jeweller 2.18.0: that is the version you run. Below that are two buttons, a licence line and the folded panels Hotkeys and Standards Used.

The CAD/CAM sidebar with the Setup section chosen: the Setup panel with its units line, default alloy, Presets and The book's course button, above the Help panel, whose first line reads CAD/CAM Jeweller 2.18.0
CAD/CAM tab > Setup

Next

Make something: Your first ring in five minutes.