Single width, hollow.
┌─┐	)0lqk
│ │	)0x x
└─┘	)0mqj
┌─┐
│ │
└─┘

Single width, single fill.
┌┬┐	)0lwk
├┼┤	)0tnu
└┴┘	)0mvj
┌┬┐
├┼┤
└┴┘

Double width, hollow.
┏━┓	)0   
┃ ┃	)0   
┗━┛	)0   
╔═╗
║ ║
╚═╝

Double width, double fill.
┏┳┓	)0   
┣╋┫	)0   
┗┻┛	)0   
╔╦╗
╠╬╣
╚╩╝

Double width, single fill.
┏┯┓	)0   
┠┼┨	)0 n 
┗┷┛	)0   
╔╤╗
╟┼╢
╚╧╝

Single width, double fill.
┌┰┐	)0l k
┝╋┥	)0   
└┸┘	)0m j
┌╥┐
╞╬╡
└╨┘

Single width, mixed fill (double horizontal, single vertical).
┌┬┐	)0lwk
┝┿┥	)0   
└┴┘	)0mvj
┌┬┐
╞╪╡
└┴┘

Double width, mixed fill (double vertical, single horizontal).
┏┳┓	)0   
┠╂┨	)0   
┗┻┛	)0   
╔╦╗
╟╫╢
╚╩╝

Double horizontal, single vertical.
┍┑
┕┙
╒╕ 
╘╛ 

Double vertical, single horizontal.
┎┒
┖┚
╓╖ 
╙╜ 

Single width, double, triple and quadruple dash.
┌╌╌┐  ┌┄┄┐  ┌┈┈┐
╎  ╎  ┆  ┆  ┊  ┊
╎  ╎  ┆  ┆  ┊  ┊
└╌╌┘  └┄┄┘  └┈┈┘

Double width, double, triple and quadruple dash.
┏╍╍┓  ┏┅┅┓  ┏┉┉┓
╏  ╏  ┇  ┇  ┋  ┋
╏  ╏  ┇  ┇  ┋  ┋
┗╍╍┛  ┗┅┅┛  ┗┉┉┛

One single, two double lines meet.
┢┪ ┲┱
┡┩ ┺┹

One double, two single lines meet.
┞┦ ┭┮
┟┧ ┵┶

One single, three double lines meet.
╇ ╉╊
╈

One double, three single lines meet.
╁ ┾┽
╀

Two double, two single lines meet.
╆╅
╄╃

Mixed width, starting, ending and changing width mid-character.
╷ ╻ ╶╼╸
╽ ╿ ╺╾╴
╹ ╵

Rounded.
╭─╮
│ │
╰─╯

Other.
╲ ╳ ╱

Block elements.

 ▐     ▌ ▛▀#▀▜
▄▞▀ ▗▄▀▘ ▌▗▄▖▐
 ▌  ▐    #▐#▌#
▀▚▄ ▝▀▄▖ ▌▝▀▘▐
 ▐     ▌ ▙▄#▄▟

▁▂▃▄▅▆▇█ ▖# ▗#
       ▉ ▌# ▐#
▔▇     ▊ ▐# ▌#
       ▋ ▝# ▘#
░      ▌
▒░     ▍ ▌# ▐#
▓▒░  ▉ ▎ ▚# ▞#
█▓▒░ ▕ ▏ ▐# ▌#


VT-102:  https://vt100.net/docs//vt102-ug/contents.html
Unicode: https://www.unicode.org/charts/PDF/U2500.pdf
     and https://www.unicode.org/charts/PDF/U2580.pdf
