Ender 3 Spool Holder

I know these have been done to death, however I wanted something more adjustable for my personal needs and thought others might like it as well. This thing is guaranteed to fit into the stock spool holder on an Ender 3 S1. Given the bolt length is variable, the length of the bolt will determine the length of the spool roller you should use.

### Hardware required
- (1) 1/2" x 1-1/8" bearing
- (1) 1/2" UNC bolt with coarse threads (length varies depending on roller)
- (1) 1/2" machine nut (locking nut preferred)

Bolt sizes:
- 1 KG - 3 1/2" bolt
- 3 KG - 5 1/2" bolt

### Tools required
- (1) 3/4" wrench or socket
- (1) Hammer or mallet

I used an [Xike 6205-2RSNR Lawn Mower Wheel Bearing][1] I already had laying around the house so I didn't have to buy them specifically for this, as well as a [Grip Fast® 1/2"-13 x 5-1/2" Zinc Grade 2 Hex Bolt][2] for the bolt for the 3 KG spool roller.

### Printing instructions
The following parts of this thing need to have some special considerations