3MFLABS
Sign up freeSign up

Guides for printing, and for selling what you print

Plain-English help with 3MF and STL files, Bambu Studio, multicolor printing and turning prints into sales.

A laptop showing a 3D model on a grid beside a small desktop 3D printer with one fresh print on the build platePrinting and slicing

Bambu Studio for Beginners: Open a Ready-Made 3MF and Print It in 5 Steps

How to use Bambu Studio as a beginner: open a ready-made 3MF as a project, set your printer and filament, slice, and send it to print, in five plain steps. · 9 min readA laptop on a workbench beside a 3D printer build plate with plain grey printed parts and one small multicolor printFiles and formats

How to Convert 3MF to STL (and STL to 3MF) for Free

Convert 3MF to STL free in Bambu Studio, OrcaSlicer or PrusaSlicer in about a minute, what you lose on the way, and how to turn an STL back into a 3MF. · 8 min readA home 3D printer on a workbench with white, red, green and black spools of filament beside itPrinting and slicing

Do You Need an AMS? One-Color, Filament-Swap and Multicolor Prints Explained

Do you need an AMS for multicolor 3D prints? How to tell from the design, how to swap colors with a pause instead, and what full color really costs. · 8 min readA jewelry workspace with earring hooks, jump rings, flat pliers and a 3D printer build plate holding small plain plastic blanksPrinting and slicing

3D Printed Earrings: How to Print Them, Add the Hooks and What to Charge

How to 3D print earrings: flat layered charms, colors without an AMS, ear wires for sensitive ears, and what a pair really costs, with real numbers. · 9 min readA craft fair table of small 3D printed holiday items with blank price tags, a notebook and a calculatorSelling your prints

How to Price 3D Prints You Sell: A Simple Formula With a Real Example

How to price 3D prints you sell: a six-part cost formula (filament, power, wear, failures, extras, your time) worked through on two real designs. · 8 min readA holiday craft fair table with small 3D printed ornaments on a branch, flexi toys, keychains, earrings on cards and a glowing lantern under warm string lightsSelling your prints

3D Prints That Sell at Holiday Craft Fairs (With Real Print Times and Filament Costs)

3D prints that sell at holiday craft fairs: ornaments, flexi snakes, fidget keychains, earrings and a glowing lantern, with real print times and filament costs. · 9 min readA workbench beside a 3D printer with small kraft-paper gift boxes tied with red and white string, metal key rings, ribbon and spools of red, ivory and green filament under warm fairy lightsSeasonal prints

3D Printing Gift Ideas for Christmas 2026: What to Print, Give or Sell

3D printing gift ideas for Christmas: clicker keychains, glowing houses, games and useful gifts, with real print times, filament weights and when to start. · 8 min readA 3D printer build plate on a workbench with a few small plain white test prints, metal ornament hooks, red ribbon, fir sprigs and spools of red, ivory, black and green filamentSeasonal prints

3D Printed Christmas Ornaments: Ideas, Print Times and How to Print Ones That Sell

3D printed Christmas ornaments: which ones to print, real print times and filament, multicolor without an AMS, adding a name, and selling what you make. · 8 min readBattery LED tealights glowing on a workbench beside a 3D printer build plate, spools of black and translucent yellow filament and fir sprigsSeasonal prints

3D Printed Christmas Lanterns: One Frame, Swappable Plates, and How to Light Them Safely

3D printed Christmas lanterns: one frame, five swappable sets of glowing plates, real print times and filament, and why battery LED lights only. · 8 min readFreshly 3D printed snowflake and candy cane shapes on a textured printer build plate next to fir sprigs and a small spool of red filamentSeasonal prints

Christmas 3D Prints to Make and Sell in 2026

Christmas 3D prints for 2026: ornaments, a tree topper, glowing lanterns, gifts and an advent calendar, with real print times, filament and AMS needs. · 9 min readFreshly printed flat orange and red leaf shapes on a textured 3D printer build plate, next to dried autumn leaves and a small pumpkinSeasonal prints

Thanksgiving 3D Prints for 2026: Harvest Lantern Plates, Earrings and a Cornucopia Candy Bowl

Four Thanksgiving 3D prints for 2026: glowing harvest lantern plates, turkey and pie earrings, and a cornucopia candy bowl, with real print numbers. · 8 min readFreshly printed flat two-color parts and a small test cube on a textured 3D printer build plate in soft daylightFiles and formats

What Is a 3MF File? What's Inside, How to Open One, and When You Need the STL

A 3MF file is a 3D print file that holds the shape plus colors, plate layout and print settings. What's inside, how to open one, and when you need the STL. · 7 min read

Find something to print

Original designs that open ready to print, with the right to sell what you make.

See the models Sign up free