Rule of Thumb for width of Mirror Moulding

[jar45]

I wish to make an oak frame for a 16.5"x 27.5" x 0.125" mirror.  The mirror was salvaged for an old medicine cabinet.  Which is the reason for the odd size.

Any rule of thumb for the ratio of the moulding width to the area of the mirror or picture?  I was planning on using 2" wide x 3/4"  qtr saw oak and 6 mm domions on the corners.    I have had some good success using my Domino 700 to secure mitered corners.
 
My request is mainly curiosity.

Thanks
John

 

[nclemmons]

Here's some general guidelines for picture framing.  Short answer - largely personal taste with some general ratios around mats, frames and artwork. 
https://www.usaoncanvas.com/include/guide_proportion_picture_frames.php

In your case 2" is probably OK.  With a mirror, I also think it depends on what it is hanging over.  If I was hanging that mirror horizontally, I might go to 4" or larger and have it look fine.  The general trend in today's style has been larger frames relative to the piece being framed.

You might look on Pinterest or Houzz for inspiration around size.

 

[jar45]

Thank you.   

I saved the site as a favorite.

John

 

[mrFinpgh]

[member=167]neilc[/member] has a good idea to look at picture framing for a sense of scale an proportion.

I recently made a frame for a mirror inspired by Aksel Kjersgaard and it was about 2" at the widest points, coming in about 3/8 of an inch on a curve.  That mirror is on a wall adjacent to a mirror with a frame that is about 10" wide.

Much will depend on the aesthetic that you're after and where you plan on locating it.

 

[jar45]

Thanks.

I'm looking to match  the design of a medicine cabinet, vanity and a wall shelf I made.  So, it will basically be 4 sides of the same width. 

I used French cleats to hang the cabinet and shelf and hope to do the same for the mirror.

Thank you,

John