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Free for Commercial Use

Slab Square Otda 4 is a regular weight, normal width, low contrast, upright, normal x-height font visually similar to 'Mislab Std' by Typofonderie (names referenced only for comparison).

Keywords: body text, book typography, editorial, newspapers, academic, literary, institutional, traditional, robust, readability, durability, print voice, authority, clarity, sturdy, crisp, bracketed, bookish, authoritative.


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A sturdy serif with pronounced slab-like serifs and mostly square, flat terminals that give the letters a firm, grounded silhouette. Strokes are relatively even in thickness with modest modulation, producing a calm, consistent color in text. The serifs read as bold and functional, with subtle bracketing in places, while counters stay open and legible. Proportions feel conventional and text-oriented, with clear forms in both capitals and lowercase and straightforward numerals that sit solidly on the baseline.

Well suited to body text in print-like layouts where a steady texture and clear letterforms are needed, such as books, essays, and editorial design. Its sturdy serifs and crisp terminals also make it effective for section heads, captions, and institutional or academic materials that benefit from a traditional, authoritative voice.

The overall tone is classic and workmanlike, evoking printed books, newspapers, and institutional typography. It feels dependable and slightly old-style in spirit, with a measured rhythm that supports long-form reading while still projecting authority in headings.

The font appears designed as a practical reading serif that combines robust slab serifs with restrained contrast to maintain clarity and consistency across sizes. Its emphasis on stable, square-ended details suggests an intention to deliver dependable text performance while retaining a confident, classic presence.

The design’s square-ended detailing and substantial serifs create strong horizontal emphasis, helping lines feel anchored and stable. The italic is not shown; all samples appear upright, with punctuation and spacing suited to continuous text settings.

120px
108px
96px
84px
72px
64px
56px
48px
44px
40px
36px
32px
30px
28px
26px
24px
22px
20px
19px
18px
17px
16px
15px
14px
13px
12px
11px
10px
9px
8px
Letter — Basic Uppercase Latin
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Letter — Basic Lowercase Latin
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Number — Decimal Digit
0
1
2
3
4
5
6
7
8
9
Letter — Extended Uppercase Latin
À
Á
Â
Ã
Ä
Å
Æ
Ç
È
É
Ê
Ë
Ì
Í
Î
Ï
Ñ
Ò
Ó
Ô
Õ
Ö
Ø
Ù
Ú
Û
Ü
Ý
Ć
Č
Đ
Ė
Ę
Ě
Ğ
Į
İ
Ľ
Ł
Ń
Ő
Œ
Ś
Ş
Š
Ū
Ű
Ų
Ŵ
Ŷ
Ÿ
Ź
Ž
Letter — Extended Lowercase Latin
ß
à
á
â
ã
ä
å
æ
ç
è
é
ê
ë
ì
í
î
ï
ñ
ò
ó
ô
õ
ö
ø
ù
ú
û
ü
ý
ÿ
ć
č
đ
ė
ę
ě
ğ
į
ı
ľ
ł
ń
ő
œ
ś
ş
š
ū
ű
ų
ŵ
ŷ
ź
ž
Letter — Superscript Latin
ª
º
Number — Superscript
¹
²
³
Number — Fraction
½
¼
¾
Punctuation
!
#
*
,
.
/
:
;
?
\
¡
·
¿
Punctuation — Quote
"
'
«
»
Punctuation — Parenthesis
(
)
[
]
{
}
Punctuation — Dash
-
_
Symbol
&
@
|
¦
§
©
®
°
Symbol — Currency
$
¢
£
¤
¥
Symbol — Math
%
+
<
=
>
~
¬
±
^
µ
×
÷
Diacritics
`
´
¯
¨
¸