OS: Linux Mint 18.3 Sylvia Word size of OS: 64-bit Word size of FreeCAD: 64-bit Version: 0.18.13959 (Git) AppImage Build type: None Branch: master Hash: 2f18182b6dff87f8857787c854e39ca4d441f993 Python version: 2.7.6 Qt version: 4.8.6 Coin version: 4.0.0a OCC version: 7.2.0 Locale: English/UnitedKing...

Just downloaded and installed the AppImage for v18 and repeated the test. Works perfectly!
I will continue to use v18 and continue my quest to master FreeCAD

Many thanks again
Mick

I've tried a few variations. This time I opened shapeString-cb2, clicked on ShapeString, added another x to make the string 'More Textx', recalculate everything, selected Job and simulate. It doesn't simulate.

Sorry to go on about this but if I take your shapeString_cb2 file it looks good and I can simulate as expected, however if I just change the text in ShapeString, mark all and recompile, the simulator no longer works, the tool lifts up a fraction and it is instantly complete. I have also tried just c...

Many thanks for your detailed reply, much appreciated! A couple of questions - You said I used Expressions on the Placement, sorry I don't understand, I set it to 11, 10, 10 "Part::FeaturePython: Links go out of the allowed scope" messages. I didn't see any of these, did I miss them? I hav...

I have attached my file. What I did was to create the ShapeString with 'Test Text' at font 6 roughly centred both ways, and created the job and the engrave operation. Simulated and it looked fine. I then edited ShapeString to read 'More Text' at font 10, moved it left so the larger text would be cen...

I have created a drawing of a very simple nameplate with some text "Test Text". I then use the Path workbench to generate g-code to run on my router. This works. I would like to use this to create other nameplates with different text, and text size/position. If I edit the ShapeString where...

Ah yes, I see it now. Thanks for your help

Changed to construction lines and the problem disappeared! Thank you.

Just to understand the situation, is it an error condition which currently is not reported?

Mick

I have added screenshots of the sketch and the body part showing the problem, and also the .fcstd file.