FailFixer generates safe resume G-code so you can finish your print from exactly where it failed — no wasted filament, no wasted time.
One-time purchase · Windows desktop app · Easy key activation
The Problem
Power outages, filament tangles, firmware crashes — any of these can kill a 12-hour print. Without a resume option, you're stuck.
Restarting a print from scratch means burning through filament you already used. A failed 300g print costs real money.
That 18-hour print that failed at layer 200? Without resume, you're waiting another 18 hours for a re-do.
Manually editing G-code to resume is tedious, error-prone, and risky. One wrong move and you crash the nozzle into the part.
The Solution
A lightweight desktop tool that generates safe resume G-code from your original file. No printer mods. No firmware changes.
FailFixer reads your original G-code, lets you pick the exact layer or Z-height where the failure occurred, and generates a new file that safely resumes from that point.
Fail; --- FailFixer Resume Header ---
; Resume Layer: 142
; Resume Z: 28.40
; Offset: 0.00
M140 S60 ; Bed temp
M104 S210 ; Nozzle temp
M190 S60 ; Wait bed
M109 S210 ; Wait nozzle
G21 ; Millimeters
G90 ; Absolute pos
G28 X Y ; Home XY only
G1 Z10 ; Safe lift
G92 E0
; --- Your print continues... ---How It Works
No command line. No G-code knowledge required. Just point, click, and print.
Open the original .gcode file from your slicer. FailFixer parses all layers in seconds.
Enter the layer number or measure the Z-height on your failed print. Optionally adjust the Z offset.
FailFixer creates a safe resume file. Send it to your printer via SD card or USB and finish the job.
Who It's For
Whether you print for fun or profit, failed prints hurt. FailFixer is built for anyone running FDM printers.
Stop losing weekend prints to random failures. Save your filament and your sanity.
When a 20-hour production print fails at 90%, the cost is real. FailFixer pays for itself on the first save.
Schools, makerspaces, and labs — where printers run all day and failures are inevitable.
You know your way around G-code but don't want to manually edit it every time something goes wrong.
License & Activation
After purchase, you get a Lemon Squeezy license key by email. Paste it once in FailFixer and you're ready to go.
Purchase FailFixer and receive your license key in your receipt email instantly.
Open FailFixer, paste your key in the activation prompt, and click Activate.
Once activated, Generate is unlocked. If internet is down, grace mode keeps you working temporarily.
Pricing
Pay once, use forever. FailFixer is a tool, not a service.
One-time purchase · Lifetime updates for V1
FailFixer saves you time, filament, and frustration — for less than the cost of a coffee.
Buy FailFixer for $4.99Support
Email us anytime at support@failfixer.com or use the quick form below.
If the form shows "activation required", check support@failfixer.com inbox for FormSubmit's one-time activation email and click confirm. You can always email us directly at support@failfixer.com.