Best Of

Besides this is no good way to design a trigger (make servo and trigger axis parallel and you will avoid a lot of issues!), a tangent condition won't help here, simply because there is no tangency, only two edges being coincident at one point, and these are not necessarily the same two edges all the time. If we had collision detection, that'd be the way to go, but we haven't.

May I propose using a gear mate between the two rotate mates used for servo arm and trigger rotation? Moving one would rotate the other in a given ratio, then. This cannot simulate the free travel of the servo arm before it touches the trigger, of course, but maybe it could get close enough to demonstrate the action intended.

Is there any way to add fonts for the text tool? In particular, I would like to add one of my stenci

Make a copy of your document, try it, see what happens! :)

It just means that the tab you are moving to another doc has other tabs that depend on it, so for example if you were moving a part to another document and you had a drawing of that part in another tab then, if the part moved and the drawing stayed, the drawing would fail, because the part wasn't there any more. So Onshape will move the part and the drawing into the new doc.

Well, in my experience this note means you can still move the part if you really want to, but be prepared to be left with an even bigger mess than when leaving this part in it's inappopriate location.

I find this situation annoying, even if there is a logical explanation. There are situations where I have designed a part as part of a certain project and only later find out I might need it in another place or even for another project. Then, one would possibly want to move a certain part to it's own document for later use. Now, it dosen't work that easily. It gets even more confusing, if something has been designed in context, with a reference to the part moved. You never know what will be moved along with the part in question.

Since I tried this a few times with limited success, I try to remember always designing supplier parts and such in their own documents from the ground up, but sometimes I forget, or I get such parts in imported files. One example of such are switches and buttons, which will get references to cutouts in some mounting plate rather sooner than later. In my opinion, it is usually easier and more sustainable, to recreate (maybe based on stripped down copy) these parts in their own workspace, and then replace in assemblies where they have been used.

Maybe it would be a good thing, if parts could be copy-moved, stripping their downstream references, keeping the original document intact, just to get around this.