I scribed some new lines for the rear panel on a BT-7 turret but after looking at reference photos I think they are a bit deep/wide. I was thinking of partially filling them with super glue or putty just to soften them a bit and narrow them. Anyone done this before? Or am I best to fill them completely and rescribe?
I have, Tamiya basic putty thinned with their extra thin cement. Set a bit of putty on a pallet and add cement until you have something of the consistency of milk then flow into the panel line to be reduced. It dries surprisingly quickly and any spillover can be scraped away with a knife blade afterwards. I keep a bottle of extra thin exclusively for this and use the integral brush for mixing and applying, very convenient.
Not exactly what you’re trying to do but an illustration of its capabilities, used this thinned putty to blend in the m.g. socket and support webs to make it look like a single cast part
I’ll give that a try on some scrap!! I like this idea because if I mess up some rubbing alcohol should take it down
Gave it a try. I think I need to practice once more but it worked fairly well!
Bottom to top is
2 coats of thinned putty
1 coat of thinned putty
Nothing
1 coat of super glue
All followed by a light 2000 grit sand
Two coats of thinned putty seams to win
I’m assuming all grooves started out the same width ? Looks like that did the trick .
They were pretty close yes. I did one initial pass to get the like started and then 2 additional passes with more pressure using the same scribing tool for each. There was probably some slight variation but I think not significant.
I could give this a try as a third option!! Thing I like about Mr surfacer is that if I mess up, alcohol will save the day
A less messy method is to use lengths of stretched sprue and Tamiya liquid glue. Glue the stretched sprue into the groove. Apply more glue until the sprue is soft, then use a rounded tool to smooth it out.