Chris

Yes bitmasks and shifting make sense writing device drivers and other low level software in C and C++ (which I spent a career doing) but I have never seen a...

`echo(ord("c") + 12);` works. How many people that know hexadecimal don't know that 0x20 is 32 and 0x7F is 127? So why is `if(c >= 32 and c versionText =...

The reason I noticed a problem was I tried a hobbed bolt from an original Wade's and it does not match the filament path. It seems to be because the...

I just realised the bearings are only 7mm thick, not 8mm. Things fit a lot better with them set to 7 and the gap set 8 instead of 9.

I got it to line up exactly with Wade's by setting the bearings to 7mm and changing the offset to 3.5mm. I changed the idler slot to 8mm and moved...

I think the brackets confused the search. Putting just `minkowski` in the "search this book" box works for me.

Wrap your problematic code with render() { }.

Not sure it can be called a bug when the official OpenSCAD examples use it. For example, the second one uses $ variables at file scope.

>What was happening in the previous bug, was that the top scope of the use file was being dynamically re-evaluated at each call of each function and each module, as...

Yes proper fix would be to put the files cope search back but only after the stack search and then fix the performance problem by tagging expressions that don't need...