I’m working on a 12.379" L x 1.0" x .125" piece to mill out of styrene with 9 small rectangles that will get pocketed and interior profiled. The small rectangles will hold some .125" x .250" rod. I just ran a test and found that the left, right, and bottom lines of the rectangles need to be offset by about 0.015". I don’t want to change the location of the top line as that registers to another part in the assembly. Does anyone have any ideas how I can do this. I have to make ten of these parts. I have attached a Rhino model of the part.
Yeah. I mean depends on how you want to do it. I basically just used offset command, and the gumball tool after by moving the top points back 0.015" to theoretical original location.
But then you’d just have to multi-instantiate it by copy and paste from original instance to the other instances.
And if you wanted to automate that, then you need super duper Grasshopper algos
Boxedit is a good tool for doing this quickly. Select all nine boxes and run _Boxedit. In the panel that pops up you need to set the values circled in red below:
When the values are set hit the size increment arrow for X twice (once for each side) and for Y once, then click Apply. The nine boxes will resize and you’re done.
I didn’t even know box edit had that dialogue 
Must be a V7 upgrade 