The prints of my Builder Dual Feed are not always constant. For example, when i use the same gcode the second printing already different from the first one. Usually the first layer goes wrong. Are there more people with a builder or the same problem?
i show some pictures:
I have the same builder myself. Looks like problems with the adhesion to your bed. Try printing on the glass bed with a layer of woodglue. I get pretty good results that way.
Hello Luuk, when I look at the pictures it seems to me that the layer thickness is very small. Personally I always print the first layer at 0,3 mm thickness, to make a firm foundation.
Besides that the material comes loose from the bed. I use a scotch 3M glue stick to glue the print to the bed (with PLA), that works great.
Greetings, Leo
I do not have this issue with my Big Builder. It looks like you are using masking tape for your print surface, are you replacing the tape in between prints? I would guess that it is more of a print surface issue than something with the printer. I’ve had good results with hairspray on heater glass bed or buildtak/printinz on cold bed.
I personally like to apply wood glue with a paint roller as it’s gives a smoother finish than a gluestick. But they both work (you don’t have to clean a paint roller when using a glue stick tough :P) 
During my time at Code-P we tested many different options but those two always came out on top 
My personal opinion is that the thickness of the first layer should be 0.2mm or thicker as Leo mentioned too. I always print with a layer thickness of 0.2mm so i don’t use a different thickness on the first layer and get pretty good results that way
Hi Luuk,
Most common solutions already given below. Here some online troubleshooting guides. published by Ultimaker and Reprap but most items are applicable for the Builder as well.
reprap.org : Print Troubleshooting Pictorial Guide
support.3dverkstan.se : Getting better prints
simpilify3d.com : print quality troubleshooting guide
Hi Luuc,
Sometimes I have the same problems with my Builder. I found out that you have to calibrate the print bed again.
I check it once in the ± 3-5 times I print, and mostly it needs some hight adjustment (still don’t know why)
A lot of builder users have this problem (I know 3 persons who use(d) a Builder and have the same problems)
Good luck
P.s. I use a first layer hight of 0.3 and that works fine
For the first layer I recently tried a new methode by cominating tape on the platform with glue on the tape… this works mostly good for me…
