Easy Hotend Benchmark for FAST PRINTING Profiles

If you want to print fast, you need to benchmark your hotend! I made this super simple by creating a simple tool that you can use to create a test G-Code that will help you to find out what the performance of your hotend really is! Using this knowledge, we’ll go over how you can create a fast draft printing profile in PrusaSlicer and basically any other slicer to print for example this part right here 160% faster on a cheap Ender-3!

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Chapters
00:00 Introduction
01:12 What is FAST printing?
02:31 Extrusion System Flow Capability
03:55 Benchmarking Tool
05:45 Temperature Dependence
08:14 Creating a SPEED PROFILE in PrusaSlicer
13:53 Sponsored Segment

#3dprinting #benchmark

DISCLAIMER: This video was sponsored by NordPass.

[FilamentStories]

You've created the most delicious looking benchmarking tool with those coextrusion blobs! I love pushing speed when printing models, but I want to print quality models, not just print quickly. Thanks, as always, for such clear information on filament flow rates and your new profiling tool!

[BigBlack]

THIS is the content that makes 3D printing so amazing to me, even though I've yet to buy my first printer.

Seeing this makes me want to get a cheap Ender just to tune it patiently. Tools like this make it possible.

[spock]

Great video! One other thing that I've done is use Prusaslicer's "Max Volumetric Flow Rate" to limit print speed. Then I can just set infill speeds to something like 120mm/s and let the volumetric flow rate automatically keep the speed at the max.

[legojoey]

I watched this when I first bought my printer, got the scale, but then never did the benchmark.

Recently, a new PLA filament caused a headache with my first serious print failure (massive blob). I saw many symptoms but had difficulty finding the root cause: ground filament on extruder idler, first layer not adhering, first layer was inconsistent (when I first clued into underextrusion). I did this benchmark and only to realize this new filament, vs others, had far more underextrusion!

The process was so easy (and low-material compared to a failure) that it's going to be an essential part of my toolkit when using new filaments brands/styles! Thank you so much!

[livewiya]

I think the greatest pearl of wisdom here is determine the flow rate of the part, then adjust temp. I generally default temp based on material, but give a lot of thought to adjusting speed based on the needs of the print job. Definitely plan to switch my order of operations here.

[printing]

Genius approach! Looking forward to using your tool - that's going to help a lot and saves time 😍

[Kyrazlan]

Man. You're a huge wealth of knowledge and explaining an analytical approach to tuning. Never stop.

[edwinirizarry]

So glad you are part of this wonderful community everyone knows Stefan is the man for the technical info and I thank you so much for your work good sir !!!

[liesinc.]

Wow, simply awesome. This is the most impactful 3d printing video I've watched this year. I've got an Ender 5 Plus with a direct drive Bondtech LGX through a mosquito hot end. I had no idea it could push so much volume. I'm still tuning but so far I'm blown away with the rates it's achieving. Thank you!

[bennylloyd-willner]

I just started with 3D printing, getting a Prusa i3 MK3S+ about two months ago. I think my journey to great prints is immensely sped up just by watching and learning on one channel, this one. So much information and still digestible for a newbie. Been watching this channel for about a year to learn stuff before deciding which printer to get. Stefan never disappoints, every video is crammed with great info and tests. The presentation makes it easy to understand and enjoy 👍.
Keep it up, I impress my friends with your knowledge 😁

[FilamentFriday]

Great video. Thanks for the mention. If you increase the extrusion width on my Extra Fast Profile you’ll also see lower numbers as well. I leave adjusting the temp to the user as each filament is different. I also still include many settings that give small improvements in quality. So there is some compromise.
So many people have asked for a Prusa version of my profile. I’ll just send them here. You cover it well.

[orphax]

hey!! I tried to make a sub-10min benchy on my ender3 a few month ago (settled on 10'33" for the moment) one of the parameter that can be useful is the skin line orientation, making it more aligned with the X axis allows the light print head to do most of the rapid accelerations ;)

[properprinting]

Very valuable info! I especially liked how you referred back to the real flow measurement results to determine the actual print temperature. I usually take an educated guess and start praying 🤣

[IngenieroSaborio]

This is golden! I used the previous method you developed to identify the capabilities of my heavily modified Ender 3 with very good results. The Aquiles heel of my set-up is still the extruder, but based on what I found out with your experiment, that soon will be also replaced. Awesome work!

[abaile]

I'm glad you made this; it validates a comment I left on a video last year about how we've been tuning our printers wrong for so long. Previously the common wisdom was to just change print speed, but this ignored that the printer has to first accelerate to that speed and often never gets there. My ide (based on a teaching tech video) was that we should instead be focussed on finding out our printer's max extrusion rate for a given filament and temp, work out a given nozzle's maximum print speed based on that and then instead adjust acceleration and jerk to affect print speed.

[_B_K_]

Would love a video from you reviewing best low-budget, mid-budget and high-budget printers. I'm thinking of getting one and a lot of the videos on this topic are either outdated or are from sources I don't trust. I feel like you're a well-respected expert in this area, so it would be great to see a 2022 review video from you.

[fleebertreatise]

There is so much info in this video. New to 3D printing (but have watched some videos here and there) and it gives me a lot of ideas of how to test. Thanks dude

[garagehack]

I just spent most of the last week learning this all this the hard way to tune PETG on my heavily modified ender 5 pro. Well done as usual

[AndrewAHayes]

Lightening infill and infill support are two settings that can be used on larger models to save some time depending on their shape

[shannim]

Stefan, thanks yet again for your amazing work and video! Keep it up!

While I haven't download your .gcode and tool yet, I did download your profile and compared it to my default profile for a 0.6mm nozzle @ 0.32 mm layer height on my Ender 3 Pro. After copying over pretty much all you setting changes I printed the cylinder that you had on the build plate twice with the same 0.32 mm layer height. Including heat up time for both the nozzle and bed from room temperature, my default profile took 28:49 minutes. Modified with you tweaks, it finished in 17:46 minutes (again, including heat up time for both nozzle and bed). That saved a whopping 11:03 minutes (38.35%)!!! The increase in temps (215 vs 230) sufficiently allowed for increase in speeds (both max and average) as well as volumetric flow rates (again, both max and average). I will definitely need to download your tool and do of my own experiments to gather actual data, but for now I am super happy!

Thank you so much!