Designer
Antonin Bertrand
Feedback
Hadrien Herzog, Hugues Gentil, Quentin Schmerber
Spacing & kerning
Igino Marini
Mastering
Hugues Gentil
Year
2026
Diaphragm is a condensed and sharp serif typeface available in three weights: Regular, Open, and Stencil. Each cut is a variation of aperture from a small opening (Regular) to wide (Stencil) as light progressively erases the finesses of the letters. The initial sketch was inspired by Howland, a typeface designed by John F. Cumming in 1892 for large-scale uses. Feel free to play with the OpenType features revealing thin punctuation & symbols as well as alternate k, K, & R – perfect for display purposes.
Specimen
Diaphragm — Stencil
Diaphragm — Open (thin ponctuation)
Diaphragm — Regular
Diaphragm — Open
Diaphragm — Stencil
Diaphragm — Open
Diaphragm — Regular
Diaphragm — Open
Diaphragm — Stencil
Diaphragm — Regular
Diaphragm — Open
Diaphragm — Stencil




Glyphset
Opentype
Case sensitive forms
Fractions
Ligatures standards
Oldstyle figures
Feminine and masculine ordinals
Thin ponctuation and symbols
Altarnate K, R, k
Black and white circled digits
Informations
Encoding: Latin
File formats: OTF, TTF, WOFF, WOFF2
Version: 1.0
Language support:
Acheron, Achinese, Acholi, Afar, Afrikaans, Alekano, Aleut, Algonquin, Amahuaca, Amarakaeri, Amis, Anaang, Andaandi, Dongolawi, Anuta, Ao Naga, Aragonese, Arbëreshë Albanian, Arvanitika Albanian, Asháninka, Ashéninka Perené, Asu (Tanzania), Balinese, Banjar, Bari, Basque, Batak Dairi, Batak Karo, Batak Mandailing, Batak Simalungun, Batak Toba, Bemba (Zambia), Bena (Tanzania), Bikol, Bislama, Borana-Arsi-Guji Oromo, Bosnian, Breton, Buginese, Candoshi-Shapra, Caquinte, Caribbean Hindustani, Cashibo-Cacataibo, Catalan, Cebuano, Central Aymara, Central Kurdish, Central Nahuatl, Chachi, Chamorro, Chavacano, Chiga, Chiltepec Chinantec, Chokwe, Chuukese, Cimbrian, Cofán, Congo Swahili, Cook Islands Māori, Cornish, Corsican, Creek, Crimean Tatar, Croatian, Czech, Danish, Dehu, Dutch, Eastern Arrernte, Eastern Oromo, English, Ese Ejja, Faroese, Fijian, Filipino, Finnish, French, Friulian, Gagauz, Galician, Ganda, Garifuna, Ga’anda, German, Gheg Albanian, Gilbertese, Gooniyandi, Gourmanchéma, Guadeloupean Creole French, Gusii, Haitian, Hani, Hiligaynon, Ho-Chunk, Hopi, Huastec, Hungarian, Icelandic, Iloko, Inari Sami, Indonesian, Irish, Istro Romanian, Italian, Ixcatlán Mazatec, Jamaican Creole English, Javanese, Jola-Fonyi, K'iche', Kabuverdianu, Kala Lagaw Ya, Kalaallisut, Kalenjin, Kaonde, Karelian, Kashubian, Kekchí, Kenzi, Mattokki, Khasi, Kimbundu, Kinyarwanda, Kituba (DRC), Kongo, Konzo, Kuanyama, Kven Finnish, Kölsch, Ladin, Ladino, Latgalian, Ligurian, Lithuanian, Lombard, Low German, Lower Sorbian, Luba-Lulua, Lule Sami, Luo (Kenya and Tanzania), Luxembourgish, Macedo-Romanian, Makhuwa, Makhuwa-Meetto, Makonde, Makwe, Malagasy, Malaysian, Maltese, Mandinka, Mandjak, Mankanya, Manx, Maore Comorian, Maori, Mapudungun, Marshallese, Matsés, Mauritian Creole, Meriam Mir, Meru, Minangkabau, Mohawk, Montenegrin, Munsee, Murrinh-Patha, Mwani, Mískito, Naga Pidgin, Ndonga, Neapolitan, Ngazidja Comorian, Niuean, Nobiin, Nomatsiguenga, North Ndebele, Northern Kurdish, Northern Qiandong Miao, Northern Sami, Northern Uzbek, Northwestern Ojibwa, Norwegian, Nyanja, Nyankole, Occitan, Ojitlán Chinantec, Orma, Oroqen, Palauan, Paluan, Pampanga, Papantla Totonac, Papiamento, Pedi, Picard, Pichis Ashéninka, Piemontese, Pijin, Pintupi-Luritja, Pipil, Pohnpeian, Polish, Portuguese, Potawatomi, Purepecha, Quechua, Romanian, Romansh, Rotokas, Rundi, Rwa, Samburu, Samoan, Sango, Sangu (Tanzania), Saramaccan, Sardinian, Scots, Scottish Gaelic, Sena, Seri, Seselwa Creole French, Shambala, Shawnee, Shipibo-Conibo, Shona, Sicilian, Silesian, Slovak, Slovenian, Soga, Somali, Soninke, South Ndebele, Southern Aymara, Southern Qiandong Miao, Southern Sami, Southern Sotho, Spanish, Sranan Tongo, Standard Estonian, Standard Latvian, Standard Malay, Sundanese, Swahili, Swati, Swedish, Swiss German, Tagalog, Tahitian, Taita, Tedim Chin, Tetum, Tetun Dili, Tiv, Tok Pisin, Tokelau, Tonga (Tonga Islands), Tonga (Zambia), Tosk Albanian, Tsonga, Tswana, Tumbuka, Turkish, Turkmen, Tzeltal, Tzotzil, Uab Meto, Ume Sami, Upper Guinea Crioulo, Upper Sorbian, Venetian, Veps, Võro, Walloon, Wangaaybuwan-Ngiyambaa, Waray (Philippines), Warlpiri, Wayuu, Welsh, West Central Oromo, Western Abnaki, Western Frisian, Wik-Mungkan, Wiradjuri, Wolof, Xhosa, Yanesha', Yao, Yapese, Yindjibarndi, Yucateco, Zapotec, Zulu, Záparo
In use
Diaphragm is a condensed and sharp serif typeface available in three weights: Regular, Open, and Stencil. Each cut is a variation of aperture from a small opening (Regular) to wide (Stencil) as light progressively erases the finesses of the letters. The initial sketch was inspired by Howland, a typeface designed by John F. Cumming in 1892 for large-scale uses. Feel free to play with the OpenType features revealing thin punctuation & symbols as well as alternate k, K, & R – perfect for display purposes.
Designer
Antonin Bertrand
Feedback
Hadrien Herzog, Hugues Gentil, Quentin Schmerber
Spacing & kerning
Igino Marini
Mastering
Hugues Gentil
Year
2026
Specimen
Diaphragm — Stencil
Diaphragm — Open (thin ponctuation)
Diaphragm — Regular
Diaphragm — Open
Diaphragm — Stencil
Diaphragm — Open
Diaphragm — Regular
Diaphragm — Open
Diaphragm — Stencil
Diaphragm — Regular
Diaphragm — Open
Diaphragm — Stencil




Glyphset
Opentype
Case sensitive forms
Fractions
Ligatures standards
Oldstyle figures
Feminine and masculine ordinals
Thin ponctuation and symbols
Altarnate K, R, k
Black and white circled digits
Informations
Encoding: Latin
File formats: OTF, TTF, WOFF, WOFF2
Version: 1.0
Language support:
Acheron, Achinese, Acholi, Afar, Afrikaans, Alekano, Aleut, Algonquin, Amahuaca, Amarakaeri, Amis, Anaang, Andaandi, Dongolawi, Anuta, Ao Naga, Aragonese, Arbëreshë Albanian, Arvanitika Albanian, Asháninka, Ashéninka Perené, Asu (Tanzania), Balinese, Banjar, Bari, Basque, Batak Dairi, Batak Karo, Batak Mandailing, Batak Simalungun, Batak Toba, Bemba (Zambia), Bena (Tanzania), Bikol, Bislama, Borana-Arsi-Guji Oromo, Bosnian, Breton, Buginese, Candoshi-Shapra, Caquinte, Caribbean Hindustani, Cashibo-Cacataibo, Catalan, Cebuano, Central Aymara, Central Kurdish, Central Nahuatl, Chachi, Chamorro, Chavacano, Chiga, Chiltepec Chinantec, Chokwe, Chuukese, Cimbrian, Cofán, Congo Swahili, Cook Islands Māori, Cornish, Corsican, Creek, Crimean Tatar, Croatian, Czech, Danish, Dehu, Dutch, Eastern Arrernte, Eastern Oromo, English, Ese Ejja, Faroese, Fijian, Filipino, Finnish, French, Friulian, Gagauz, Galician, Ganda, Garifuna, Ga’anda, German, Gheg Albanian, Gilbertese, Gooniyandi, Gourmanchéma, Guadeloupean Creole French, Gusii, Haitian, Hani, Hiligaynon, Ho-Chunk, Hopi, Huastec, Hungarian, Icelandic, Iloko, Inari Sami, Indonesian, Irish, Istro Romanian, Italian, Ixcatlán Mazatec, Jamaican Creole English, Javanese, Jola-Fonyi, K'iche', Kabuverdianu, Kala Lagaw Ya, Kalaallisut, Kalenjin, Kaonde, Karelian, Kashubian, Kekchí, Kenzi, Mattokki, Khasi, Kimbundu, Kinyarwanda, Kituba (DRC), Kongo, Konzo, Kuanyama, Kven Finnish, Kölsch, Ladin, Ladino, Latgalian, Ligurian, Lithuanian, Lombard, Low German, Lower Sorbian, Luba-Lulua, Lule Sami, Luo (Kenya and Tanzania), Luxembourgish, Macedo-Romanian, Makhuwa, Makhuwa-Meetto, Makonde, Makwe, Malagasy, Malaysian, Maltese, Mandinka, Mandjak, Mankanya, Manx, Maore Comorian, Maori, Mapudungun, Marshallese, Matsés, Mauritian Creole, Meriam Mir, Meru, Minangkabau, Mohawk, Montenegrin, Munsee, Murrinh-Patha, Mwani, Mískito, Naga Pidgin, Ndonga, Neapolitan, Ngazidja Comorian, Niuean, Nobiin, Nomatsiguenga, North Ndebele, Northern Kurdish, Northern Qiandong Miao, Northern Sami, Northern Uzbek, Northwestern Ojibwa, Norwegian, Nyanja, Nyankole, Occitan, Ojitlán Chinantec, Orma, Oroqen, Palauan, Paluan, Pampanga, Papantla Totonac, Papiamento, Pedi, Picard, Pichis Ashéninka, Piemontese, Pijin, Pintupi-Luritja, Pipil, Pohnpeian, Polish, Portuguese, Potawatomi, Purepecha, Quechua, Romanian, Romansh, Rotokas, Rundi, Rwa, Samburu, Samoan, Sango, Sangu (Tanzania), Saramaccan, Sardinian, Scots, Scottish Gaelic, Sena, Seri, Seselwa Creole French, Shambala, Shawnee, Shipibo-Conibo, Shona, Sicilian, Silesian, Slovak, Slovenian, Soga, Somali, Soninke, South Ndebele, Southern Aymara, Southern Qiandong Miao, Southern Sami, Southern Sotho, Spanish, Sranan Tongo, Standard Estonian, Standard Latvian, Standard Malay, Sundanese, Swahili, Swati, Swedish, Swiss German, Tagalog, Tahitian, Taita, Tedim Chin, Tetum, Tetun Dili, Tiv, Tok Pisin, Tokelau, Tonga (Tonga Islands), Tonga (Zambia), Tosk Albanian, Tsonga, Tswana, Tumbuka, Turkish, Turkmen, Tzeltal, Tzotzil, Uab Meto, Ume Sami, Upper Guinea Crioulo, Upper Sorbian, Venetian, Veps, Võro, Walloon, Wangaaybuwan-Ngiyambaa, Waray (Philippines), Warlpiri, Wayuu, Welsh, West Central Oromo, Western Abnaki, Western Frisian, Wik-Mungkan, Wiradjuri, Wolof, Xhosa, Yanesha', Yao, Yapese, Yindjibarndi, Yucateco, Zapotec, Zulu, Záparo
In use