Dimension style changed (ghost in the machine) and now cannot be modified back to original

[mbetGEGZX]

Was working on drawing and noticed the dimension style changed from having tick marks to some kind of target. Am unable to revert back to the original.

[cadffm]

I would say: Nothing changed, except you *current* dimstyle setting.

Why my guessing: You used dimstyle ADF  and ADF Fraction

and only one dimension uses dimstyle Standard (what is current now)

If this is your issue, set ADF or ADF Fraction as current.

(you are the only one who knows which one you want to use)

Command: DIMSTYLE

or

Command: -DIMSTYLE restore ADF or ADF Fraction

?

[cadffm]

or do you speak about ADF and ADF Fraction ?

then

Command: DIMSTYLE

Edit ADF or ADF Fraction

Tab Lines, remove the supress dimline options

and on the second tab for symbols and arrows, change the arrow size

and all other settings you have to "restore"

[cadffm]

Hint: Would be easy to recreate or swap to, if you have another DWG with the dimstyles

which have the settings you want. Is there not an old version of this DWG, or another one with this style(s)?

[pendean]

Greetings @mbetGEGZX 

You have three dimension styles defined in your DWG file, and the bottom one is set to be the current. Question is back to you, which one are you supposed to be using? We can't answer that for you, but you yourself can change the default anytime using DIMSTYLE command

[mbetGEGZX]

Standard is what it was set at. Trying to clear out the remaining dim styles