Quiz

3D Printing Knowledge Test

Covers 3D printer parts, filament, calibration, Cura, Tinkercad, Thingiverse, troubleshooting, and safety.

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1. What does a 3D printer extruder do?

Moves the bedFeeds filament into the hot endCools the partHolds the SD card

2. What is the function of the hot end?

Pulls filamentMelts filament layer by layerLevels the bedHolds temperature only

3. Which component controls all printer operations?

Power supplyMainboardScreenBelts

4. Typical nozzle diameter?

0.1mm0.4mm1.0mm3mm

5. Which filament releases harmful fumes?

PLATPUABSPETG

6. What is filament?

LubricantPrinting plastic materialSolderRubber

7. What does the print bed do?

Slices modelsHolds the print during printingPowers the printerFeeds filament

8. Stepper motors control movement along which axes?

A,B,COnly XX,Y,ZZ only

9. What component melts filament?

Cooling fanFrameHot endScreen

10. Which item holds filament in place?

NozzleFan shroudSpool holderZ motor

11. What tool is commonly used in manual leveling?

RulerPrinter paperCredit cardTape measure

12. Why preheat during leveling?

Smells betterSimulates actual print temperaturesMakes filament softerSpeeds up printing

13. Auto-leveling adjusts:

Bed wheelsFilament spoolZ-height live during printX-axis only

14. Manual leveling primarily adjusts:

Filament typeBed corner wheelsNozzle diameterPSU wattage

15. A bad first layer usually means:

Wrong slicerBed not levelSD card issueSpool too small

16. Why check the center after leveling the corners?

Bed may be warpedFor funIt prints fasterTo cool the nozzle

17. What does “home axes” do?

Cleans nozzleMoves head to 0,0,0Loads filamentFormats SD card

18. What should be avoided during leveling?

Touching hot nozzleMoving X and YUsing paperChecking corners

19. What does a warped bed cause?

Perfect printsUneven layer adhesionExtra supportsSharper details

20. What is a Z-offset used for?

Model scalingAdjusting nozzle distanceFilament diameterMotor speed

21. Common model format?

PNGSTLDOCEXE

22. Cura converts STL to:

SVGG-codeZIPJPG

23. What does 'Slice' do?

Colors modelGenerates printer instructionsChanges filamentRemoves supports

24. What is G-code used for?

InternetPrinter movement controlModel designHeating room

25. Infill controls:

Outer wallsInternal support densityFan speedPower load

26. Supports are for:

ColorsOverhangsSpeedBed adhesion only

27. Skirt is for:

StrengthPriming filamentIncreasing weightCooling

28. Layer height affects:

Filament colorDetail qualityPSUNozzle thread count

29. A brim helps with:

Faster printingBed adhesionSupportsFilament storage

30. Rafts are thicker because:

Looks coolStabilizes printsSaves filamentSpeeds slicing

31. Tinkercad is:

OS updaterBrowser-based 3D modelerFan controllerMotor test app

32. Shift while resizing does what?

Shrinks Z onlyKeeps proportionsRotates modelDeletes supports

33. Tinkercad imports what for 2D -> 3D?

SVGDOCXXLSXMOV

34. Grouping shapes creates:

A folderA single combined modelA duplicateA print preview

35. Tinkercad default dimension units:

InchesMillimetersFeetPixels

36. Undo shortcut:

Ctrl+UCtrl+ZCtrl+Shift+AShift+Tab

37. Hole shapes are used for:

ColoringCutting shapes outScalingRotating

38. Align tool helps with:

ColoringPerfect positioningAdding supportsG-code

39. Exporting for printing requires:

STLRARPNGDOC

40. Tinkercad projects save to:

Computer BIOSCloud accountPrinter firmwareSD card

41. Thingiverse is for:

Selling printersSharing free 3D modelsBuying filamentSlicing prints

42. Common test print:

Eiffel TowerBenchyMoon lampDog toy

43. Thingiverse files are usually:

STLDLLWMABIN

44. Thingiverse community is:

ClosedOpen-sourceInvite-onlyPaid-only

45. You should check model comments because:

For jokesFor print recommendationsFor adsFor firmware

46. Models can include:

Fonts onlyPrint instructionsVideo filesRAM settings

47. Why favorite a model?

Unlock featuresSave for laterIncrease print speedUpdate slicer

48. Downloads often include:

STL + imagesPhotoshop filesDriversiOS backups

49. Benchy helps test:

InternetPrinter calibrationPower usageFan speed

50. Thingiverse username is used for:

Login + tracking uploadsNo reasonPrinter controlG-code editing

51. First layer issues often come from:

FirmwareBed levelingPSU fansScreen

52. Clogged nozzle fix:

Heat + cleanReplace PSUAdd supportsLower bed

53. Elephant foot happens when:

Too coldBed overheatedNo supportsWrong filament

54. Stringing happens when:

Retraction too lowBed dirtyFilament wrong colorNozzle too big

55. Layer shifting is caused by:

Motors skippingBad STL fileWrong colorsCloud sync

56. Warping is common in:

PLA cold printsABS without enclosureTPU slow printsPETG cool temps

57. Under-extrusion caused by:

Too much filamentClogged nozzleSlow fansLarge infill

58. Over-extrusion caused by:

Wrong flow rateSlow SD cardBig STL sizeEnclosure too big

59. Bed adhesion improved by:

Fans on maxCleaning with alcoholUsing cold bedSmaller nozzle

60. Sudden print stop may mean:

File corruptionToo much infillWrong colorPerfect print

61. Before maintenance:

Add filamentUnplug printerHeat bedPrint Benchy

62. Avoid touching nozzle because:

ColdHot and dangerousSharpMagnetic

63. ABS fumes are:

HarmlessToxicFlavoredCool-looking

64. A scraper tool prevents:

Melting bedBurning handsBreaking prints safelyBed scratches

65. Ventilation is important because:

Saves moneyRemoves fumesFixes STL filesLevels bed

66. Printing in enclosure helps:

Cool printsControl temperatureSpeed up slicingImprove colors

67. Burning smell means:

Keep printingStop and inspectAdd filamentLower lights

68. Bed cleaning should use:

WaterIsopropyl alcoholGlue stick onlyNothing

69. Supports removal can create dust; you should:

Blow it indoorsWear mask + go outsideVacuum nozzleReprint

70. Loose wiring can cause:

Faster printsFire hazardCooler nozzleNo issues