@blksno.
yes, "I can tomorrow...but
I think a better question is to just ask what reticles are usable at 3x...what features do you like to have usable at 3x and design accordingly. Personally, I don't think there is 1 answer for both options.
What you're asking for is 6.7 PowerStroke in an F150 chassis that pulls 20k lbs and has seating for 8 people. At some point, you gotta make compromises."
Me, yep most of us buying a 3-18 would accept the compromises since we already have the 5-25's and up. I have the Helos G2 2-12 DMR too but at times I wish I had more magnification. Of course a .3 mil sized dot wouldn't be okay on a 3-18.
Like I mentioned in one of my earlier posts the main difference we need is the reticle being seen closer in for a running deer or coyote, maybe even self defense on a AR.
A reference I have was the Burris XTR2 BCD/circle reticle in their FFP 1-8. IIRC at 10 mils wide it worked great for paper in 3 gun matches. On 1x I didn't use the .1 mil centerdot for normal paper distances I used the 10 mil wide circle as fast as I could. Then best to dial up some for the steel farther out and use the center dot or holds. Dialed up to 8x the COD is out of the way which was nice.
What I'm getting at is this - 3x isn't what we'd use for precision, like as if we were trying to hit a dime at 50Y, no 3x is for taking advantage of the wide FOV, getting a shot off quickly, and hitting something sizable. Otherwise dial up magnification to suit the situation and use the reticle stadia like normal. I'm guessing the last reticle you made for a 3-18 would be seeable by 6-7x??, which is fine, but then the FOV is much less which is also now another compromise.
The trick is making a circle the most optimal size as well as the thickness of it. If it was 5 mils wide it should be out of the way for most scenarios but also 9" wide at 50Y/human head size/coyote chest, 18" wide at 100Y/torso size for deer. 27" size for elk torso at 150Y. Again for "quick" shots only on 3x or slightly higher. Yes it's compromise, but what isn't, however 3x would be plenty usable.
"What you're asking for is 6.7 PowerStroke in an F150 chassis that pulls 20k lbs and has seating for 8 people. At some point, you gotta make compromises."
I understand your analogy!
My truck is a 23 F250 HO 500HP/1200lbT because my gas 6.4 2500 Dodge wouldn't pull my 5th wheel well on hills.
Thanks for taking the time to contribute to our community with your reticle designs!