Regular or the hot glue for wood

strong bond

i reccomend sanding the area a little before but not necessary.

once cooled/cured it is opaque usually

Can be messy to apply

usually creates a small gap where parts are joined.

Gel helps bond to non flat/smooth surfaces.

strong bond

sanding a rough area down a little bit will help make the bond stronger.

great for tiny parts.

Dries clear

sands well (needs mask and ventilation)

Great Bond

good for large parts

needs a dremel and bits of PLA filament

You can sand PLA