Parametric volume measure

This can be used for anything - washing liquid, powder, food, dieting, but I made it for mixing 2-stroke oil into petrol. Measure up to the bottom part of the funnel section. Add a little extra to account for liquid left after pouring out. 

When using a petrol garden device you have to mix 2 stroke oil into petrol. It's handy to use a 5L petrol can, and then, depending on if your device uses 25:1, 40:1 or 50:1 you need to add 200ml, 125ml or 100ml respectively.

Usually they give you a tiny bottle with a very small measure for the oil, but this measure means you can measure the oil accurately, then put the lid on it so it doesn't get dust in.

The parametric version has 3 parameters you can alter:

thickness - how thick the plastic is.

setWidth - how wide the measure is.

setVolume - the volume, unbelievably.

Edit: I've reuploaded the models and added 8ml, as I realised there were a couple of errors in the height calculation, thickness only measured once for calculating the radius and more importantly the height of the funnel was too great, but the calculations have been redone and should now be right. The 8ml should be right for adding fuel stabiliser to 5L of petrol.

Edit 2: Slight further edit - I've put a lip on the bottom of the measure to catch drips, and resolved the problem with the inner lip of the spout that materialised from the last edit. There are now two cambers, depending on the width. One will flag as an issue and can be ignored, so only one will be active. I've also realised that instead of flipping the funnel over one can put the tray on as a lid and it is much less messy..