There's a popular belief amongst car detailers that around 1K PSI is safe for paint, and you want a high flow rate. As far as I know, this was popularized by Obsessed Garage, a detailing supply retailer and YouTube channel, so it's not a scientifically determined number or anything. He sells...
I learned CAD way before I bought a printer, mostly from these tutorials by a high school shop teacher:
https://www.gwellwood.com/subjects/drafting/
You'll want to do the ones for Fusion 360, not the architectural software. They provide a nice easy introduction. Alternately, there's thousands...
I wanted to do something like this. The Pennzoil and Castrol 5 qt. bottles I had were different sizes, so I'm not sure there's a standard.
That said, I have designed and 3D printed threaded adapters for a different bottle. I followed the first method in this video:
You can edit a file and...
Hogue Dekas in Magnacut are on sale here: https://www.smkw.com/brands/hogue?product_list_order=price_asc
The cheapest ones have plastic handles, but you can step up to G10 for $125ish.
There was a known incidence of overheating stepper drivers on the mainboard causing layer shifts with Ender 3s. People have solved it with better cooling or replacing the mainboard:
https://forums.creality3dofficial.com/community/ender-3-v2/layer-shift-ender-3-v2/
I have the exact set linked in the OP. Bought it from Sears on sale around 2010. Mine has everything made in USA except for the wrenches. I consider myself a typical DIY beginner, and my cars don't really have rusty fasteners or anything.
-I rounded one bolt off with a wrench once. Haven't...
https://www.jackssmallengines.com/jacks-parts-lookup/part/sanborn/e100898
Here's the same check valve according to the part number in the manual you linked. It looks like it has flats you can fit a wrench on right above where it threads into the tank if you still want to remove it.
It's back down to $79:
https://www.homedepot.com/p/Ryobi-1-600-PSI-1-2-GPM-Electric-Pressure-Washer-RY141600/205566079
I'm interested in this one since it seems very compact for storage, and everyone seems to like it here.
I am far from an expert on compressors, but I've been reading about how they work. Unloader valves are commonly plumbed to a check valve through which air enters your tank. These can stick open and let the air out of the tank through the unloader. Good explanation here if you scroll down to...