3D printers are always breaking down, that is a fact. I always keep these items in my shop so that I can repair my printer and get back to printing out helmets, props and 3D miniatures.

Items i always have in my shop

Printer Repair Supplies

SIQUK 22 Pieces 3D Printer Nozzles MK8 Nozzle 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, 1.0mm with Storage Box for 3D Printer Makerbot CR-10
20 PCS 3D Printer Nozzle 0.4mm MK8 Extruder Head
kweiny Drill Bit Multi Size(Needle) for 3D Printer Nozzle Cleaning 5PCS Diameter 0.2mm 0.3mm 0.35mm 0.4mm 0.5mm
SIQUK 2 Pcs PTFE Teflon Tube (2M) 4 Pcs PC4-M6 Quick Fitting 4 Pcs PC4-M10 Straight Pneumatic Fitting Push to Connect for 3D Printer 1.75mm Filament
OctagonStar Hotend Barrel M6x26MM Teflon Nozzle for MK8
CCTREE 3D Printer Heater Block Silicone Cover MK7/MK8/MK9 Hotend for Creality CR-10,S4,S5,Ender 3,Ender 3 Pro,Ender 3 V2,Ender 5 Pro/Plus,CR-10 V2, Anet A8
CCTREE 12V 40W 620 Ceramic Cartridge Heater and NTC Thermistor 100K 3950 for 3D Printer Creality CR-10 CR-10S S4 S5 Makerbot RepRap Prusa i3 (Pack of 10pcs).
MakerHawk 5pcs Aluminum Heater Block for MK7 / MK8 3D Printer and 5pcs NTC 3950 100K Thermistor with 1 Meter Wiring and 5pcs 12V 40W 620 Ceramic Cartridge Heater for 3D Printer
CR-10S 3D Printers Original Replacement Parts/Accessories Full Assemble MK8 Extruder Hot End Kits (with Nozzle 0.4mm /0.2mm /0.3mm /0.5mm) fit for Creality 3D Printing Printer CR-10 CR-10S S4 S5
FYSETC 3D Printer Ender 3 V2 Limit Switch Mechanical Switch Module Endstops for RepRap CR-10 10S Ender 3 Pro S4 S5 Series
WINSINN 50mm 5015 Blower Fan 24V, 3D Printer 24 Volt Fans Blower Turbine Turbo Hydraulic Bearing, Brushless Cooling 50mmx15mm 2PIN (Pack of 4Pcs)
Creality BLTouch V3.1 Auto Bed Leveling Sensor Kit for Creality Ender 3 V2/Ender 3/Ender 3 Pro/Ender 3 Max/Ender 5/Pro with 32 Bit V4.2.2/V4.2.7 Mainboard 3D Printer
Creality Upgrade 3D Printer Parts MK8 Extruder Aluminum Alloy Block Bowden Extruder 1.75mm Filament for Creality 3D Ender 3,Ender 3 Pro,Ender 5/5 Pro,CR-7,CR-8, CR-10, CR-10S, S4, and S5
SoundOriginal 2pcs 4010 Brushless DC Cooling Fan 12V 0.06~0.15A 40x40x10mm Speed 6800 RPM Fans for Computer case 3D Printer Humidifier and Other Small Appliances Series Repair Replacement
Creality Ultrabase 235-235mm Ender 3 ender3 pro CR 20 3D Printer Platform Heated Bed Build Surface Silicon Coated Glass Plate

Printer Tools

3D Printer Nozzles + 4 DIY Tools for J-Head E3D V5 V6 0.2mm 0.3mm 0.4mm 0.5mm 0.6mm 0.8mm Nozzle Tool for Nozzle Replacement, Spanner, Installation Tools
Putty Knife, 4Pcs Spackle Knife Set (2, 3, 4, 5 in)
Edward Tools Long Nose Pliers with Side Cutter 6” – 2 Pack