Last updated: October 15, 2026

Your first 3D print: a step-by-step checklist

You've got a printer. Now let's get one good print off it. This checklist goes in order, so you don't skip the small things that cause most first-print trouble.

Want it as a one-page printable? Get the free checklist.

What you need

• Your printer and its quick-start guide
• A spool of PLA filament (the easiest, most forgiving material for beginners)
• A sheet of ordinary printer paper (for leveling, if your printer doesn't do it automatically)
• Dish soap and warm water, or isopropyl alcohol and a lint-free cloth
• Flush cutters or sharp scissors, for trimming filament

Step 1: Find it a good home

Set the printer on a sturdy table that doesn't wobble. Keep it away from drafts, open windows and air-conditioning vents: cool air hitting a print is a common, sneaky cause of warping and poor sticking.

Before you power on, check the quick-start guide for shipping locks: screws, zip ties or foam that hold parts still during delivery. Some printers have them, and printing with them in place can damage things.

Step 2: Install the slicer

A slicer is the program that turns a 3D model file (usually STL or 3MF) into instructions for your printer. Use the one your printer's maker recommends, and choose your exact printer model when it asks. That loads settings someone has already tested for you.

Step 3: Clean the build plate

The build plate (or "bed") is the surface your print sits on. Skin oils from fingertips are enough to stop plastic sticking. Wash it with warm water and a little dish soap, or wipe it with isopropyl alcohol, then avoid touching the print area. Check your printer's manual first, as some special plate coatings have their own care instructions.

Step 4: Level the bed

"Leveling" really means making sure the nozzle is the same small distance from the bed everywhere. Many newer printers do this automatically: just run the leveling or calibration routine from the menu. If yours doesn't, follow our bed leveling guide.

Step 5: Load the filament

1. Heat the nozzle using the printer's "load filament" or "preheat PLA" option.
2. Snip the filament end at an angle so it feeds easily.
3. Feed it in until you see melted plastic coming out of the nozzle in a steady stream, ideally in the new color.
4. Always keep hold of the loose end of the spool. If it springs free it can tangle, which causes failed prints later.

Step 6: Print something small and simple

Start with the sample file that came with your printer, or a small test model like a calibration cube. Use the slicer's default "standard" profile and don't change other settings yet. One variable at a time is the fastest way to learn.

Step 7: Watch the first layer

Stay with the printer for the first few minutes. The first layer is where most problems show up, and it's the easiest moment to fix them.

• Good: lines are slightly flattened and touch each other, with no gaps, and stick firmly.
• Too high: round, stringy lines with gaps between them that peel up or get dragged around.
• Too low: very thin or see-through lines, rough ridges, or almost nothing coming out of the nozzle.

If it looks wrong, it's completely fine to cancel, adjust and start again. See how to fix the first layer.

Step 8: Remove the print safely

Let the bed cool down. With a flexible plate, take it off and bend it gently; the print usually pops right off. If you must use a scraper, push away from your hands, and keep the nozzle and bed in mind: both stay hot for a while.

The full checklist

Before you start

• Printer on a sturdy, level surface, away from drafts, open windows and AC vents
• All shipping screws, zip ties and foam removed (check the quick-start guide)
• Frame bolts and belts snug, not wobbly (if your printer needed assembly)
• Firmware updated, if the maker recommends it in the setup steps
• Recommended slicer installed and your exact printer model selected

Bed and filament

• Build plate clean: wash with warm water and dish soap, or wipe with isopropyl alcohol. No fingerprints on the print area
• Bed leveled (run auto-leveling, or do the paper test on each corner)
• PLA loaded: cut the filament end at an angle and feed until plastic flows from the nozzle
• Temperatures from the spool label or the slicer's PLA preset (typically around 190-220 °C nozzle, 50-65 °C bed)

Your first print

• Choose a small, simple model: the printer's sample file or a basic calibration cube
• Use the slicer's default "standard" profile for your printer. Change nothing else yet
• Watch the first layer go down. Lines should be slightly flattened and touching each other
• If the first layer looks wrong, stop the print, adjust, and restart. That's normal, not failure
• Let the bed cool, then flex the plate (or wait) to remove the print. No prying with metal tools near your hands

After the print

• Note what worked: filament, temperatures, profile
• Print one more simple model to confirm it wasn't a lucky one
• Never leave a running printer unattended for long stretches until you know it well

Common first-print problems

• Print won't stick or comes loose: clean the plate again, then re-check leveling and nozzle height. Full fix here.
• Nothing comes out of the nozzle: make sure the filament is loaded all the way and the nozzle is hot. The nozzle may also be too close to the bed.
• Corners lift up (warping): check for drafts and confirm the bed temperature matches the spool's suggestion.
• Messy "spaghetti": the print came loose partway through. It nearly always traces back to first-layer sticking.

Your next step

Got a good print? Print one more simple model to confirm it. Having trouble? Go to bed leveling and the first layer, the #1 fix for beginners.