I do not know what I am missing but when I sketch any basic shape i end up with "2 dimensions needed" in the lower right and it doesn't matter what I dimension or constrain I cannot get a part to Fully Constrained. any assistance would be greatly appreciated.
Solved! Go to Solution.
Solved by sam_m. Go to Solution.
constraints are needed to not just dimension the drawn objects but to also locate them in "space"
Assuming you've drawn a rectangle and dimensioned each side then you'll still need 2 constraints to lock it in a position on the sketch. Options:
1) Dimension to any existing geometry
2) Dimension to the center-point
3) use a "fix" constraint to lock 1 of the corners of the rectangle
While option 3 seems the easiest 2 and 1 are better and 2 is generally the best a LOT of the time. From the Options menu -> Sketch tab and make sure "autoproject part origin on sketch create" is ticked - now, whenever you create a sketch there will be a little dot at the origin to tie your sketch to.
If you still need constaints are dimensioning the rectangle AND dimensioning it to the origin then you probably need a horizontal or vertical constraint and check parrallel and perpendicular constraints are being set. Basically you've created a random quadrilateral/trapezium instead of a rectangle with parallel edges.
Hope that all makes sense - if you're still struggling post a screen-shot of your sketch and we can try to show you what's missing.
Sam M.
Inventor and Showcase monkey
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Attach ipt file here that exhibits this behavior.
You might read this document
http://home.pct.edu/~jmather/SkillsUSA%20University.pdf