13th-Nov-21, 06:12 PM
For sure.
It's interesting, though, that 100% is not always better. A lot of people assume that a solid part would be stronger (e.g. stiffer), but that's not how stresses work. Using a non-solid infill creates a truss-like structure inside, making the part stiffer against bending and twisting, which is especially helpful to know when printing chassis, along with the fact that different materials will have different resistances to those things.
But, of your window buck, I meant mainly from a heat resistance standpoint, since it's PLA. PLA has a low enough melting point that an insufficiently dense buck will sag under the heat and pressure of a vac-forming process. You know this, but other readers may not.
Cost of material for plain PLA, PETG, and ABS is low enough that increasing density is a negligible increase in material cost.
It's interesting, though, that 100% is not always better. A lot of people assume that a solid part would be stronger (e.g. stiffer), but that's not how stresses work. Using a non-solid infill creates a truss-like structure inside, making the part stiffer against bending and twisting, which is especially helpful to know when printing chassis, along with the fact that different materials will have different resistances to those things.
But, of your window buck, I meant mainly from a heat resistance standpoint, since it's PLA. PLA has a low enough melting point that an insufficiently dense buck will sag under the heat and pressure of a vac-forming process. You know this, but other readers may not.
Cost of material for plain PLA, PETG, and ABS is low enough that increasing density is a negligible increase in material cost.
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