Guides
Answers to the questions our customers ask most.
How to Use Your 3 Boyz Printz Battery Case: Videos for Every SizeShort how-to videos for every 3 Boyz Printz battery case: hearing aid sizes 10, 13, 312 and 675, plus CR2032, LR44 and AAA. See how to load, open and carry your spare batteries.
Coin and Button Battery Guide: CR2032, CR2450, CR1632, LR44 and LR54What the numbers on coin cell batteries mean, how CR2032, CR2450 and CR1632 differ, which button batteries share a size (LR44, AG13, 357), and how to store spares safely.
How to Get Parts 3D Printed: A Guide to Contract 3D Printing in Youngstown, OhioNeed a prototype, replacement part or small production run? How contract 3D printing works, choosing between PLA, PETG and ABS, what to send for a quote, and how our family print farm near Youngstown, Ohio can help.
Hearing Aid Battery Sizes Explained: 10, 312, 13 and 675A simple guide to hearing aid battery sizes and color codes (10 yellow, 312 brown, 13 orange, 675 blue), how long each lasts, and how to store spares.
Hitch Cover Buying Guide: Fit, Security and StyleWhat a hitch cover does, how to check your receiver size, the difference between snap-in clips and hitch pins, and tips for choosing a custom 3D printed hitch cover for your truck or SUV.How to Install Your 3 Boyz Printz Hitch Cover (With Video)Step-by-step instructions for installing a 3 Boyz Printz hitch cover in a 2-inch receiver, using either the included snap-in clip or your own hitch pin. Takes under a minute, no tools needed.
Gift Guide: Unique 3D Printed Gifts for Truck Lovers, Musicians, Anglers and MoreLooking for a gift they won't already have? Unique 3D printed gift ideas for truck and SUV owners, guitar and trumpet players, anglers, car enthusiasts and hearing aid wearers.