I completed the technical drawings without too many problems.
Probably the only issue I had was with dimensioning the lid part. I was trying to fully dimension the inside parts like the valve and the drawing was getting too busy. I was also unsure about using datum, because these parts would be made individually then assembled, not made as a single part.
I ended up just putting in some salient dimensions for the inside mechanism, and dimensioning the outside as well as I could.
The lid/pump action mechanism part drawing
I created an exploded view of the lid part just to show how it all goes together.
I finished with an assembly drawing with a bill of materials for the bottle.
I found these drawings quite easy and finished them within a few hours.
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