1

Hey everyone,

I am quite new to printing and got and assembled a Prusa i3, with a Repetier host config I found from someone I finally got it to where it will print someone normally but still see a lot of imperfections as far as… Layers, strings and overall quality.

There are so many settings I am not sure what to change to improve everything. I have included some pictures so maybe someone more experienced can suggest some changes…

Thanks

dsc_0001.jpg
dsc_0001.jpg6016×4000 5.82 MB
dsc_0002.jpg
dsc_0002.jpg6016×4000 11.4 MB
dsc_0003_0.jpg
dsc_0003_0.jpg4608×3072 5.88 MB

2

Too hot and probably to fast but without any useful info like material, temps, speeds etc. hard to say.

3

Extruder: 185

Bed: 65

Max Vol/sec: 12mm3

Travel feed rate: 4800 mm/min

Z feed rate: 100 mm/min

Manual ext speed: 2, 20 mm/s

Manual retraction speed: 30 mm/s

Layer Height: .3

First Layer: .35

Perimeters: 60mm/s

Small Perimeters: 15 mm/s

External Perimeters: 50%

Infill: 80 mm/s

Solid infill: 20 mm/s

Top solid infill: 15mm/s

Support Material: 60mm/s

Bridges: 60 mm/s

Gap fill: 20 mm/s

4

OK, I might reduce the bed a little especially after the first layer.

Maybe try a layer height of .2 and about the same for the first layer. If the nozzle is a .4 this should be good.

Try reducing perimeters to 30mm/sec (slow it all down!), infill 30mm/sec, gap fill to 10 or 0 for off. Gap fill just creates a lot of vibrations and may not really be needed.

Mainly I’d reduce the layer height and speeds. Reducing the bed heat will help Benchy to not over heat! If you get good first layer adhesion you can try reducing bed temp overall or start reducing after the first layer of adhesion is an issue.

You may find upping the extrusion temp a little may help it flow better but the temp is pretty good for PLA. Probably no more than 200.

Make one change at a time and I would start with speed but the layer height is a bit much also I think.

5

How do I know what mm size my nozzle is ?

6

Measured the tip of the nozzle and it is roughly .80mm ? Or am I measuring the wrong spot?

7

My guess is it is .4 which is pretty standard. Your documentation should list it somewhere.

Oh - forgot! When we say size we mean the hole size the filament extrudes out of.