How-tos and comparisons for people who have to choose: hole sizes that hold an insert, what a filament datasheet does and does not tell you, what a machine actually costs. Every figure carries the test it came from.
Jiuquan City has tendered a 3 billion yuan ($500m) EPC contract for a plant with 18 PREP powder units making 6,300 tonnes a year and 100 printers making 500 tonnes of parts.
CNC Kitchen measured FDM holes 0.25 mm undersized with a disclosed method. SLS, MJF and SLA numbers in circulation are mostly vendor design-guide claims.
VoxelMatters tested Meshy 7 on real parts, from a Lamborghini to a broken wall hook, and the company shipped Meshy 7.1's Ultra 4K mode mid-review, before the first round of tests was even finished.
CNC Kitchen pulled nearly 50 M3 inserts out of PLA across a 3.6-4.6 mm hole sweep. 4.2 mm in CAD holds about 90% of the roughly 1,400 N peak.
Formlabs' cheapest Form 4 Basic Package runs $2,625, about 6.6x Creality's $399 HALOT-MAGE; its Form 4L Basic Package at $7,125 is 18x the same Halot-Mage. Formlabs has quoted the Form 4L at four different prices, $9,999, $8,904, $19,769 and $19,999, and we could only confirm the bundle contents behind two of them.
Prusament, Polymaker, Bambu Lab, eSun, Overture, Sunlu, Extrudr and Fiberlogy PETG side by side: tensile and heat figures, print settings and prices, with the test conditions that decide which numbers can share a column.