Michelangelo Buonarroti, Study for the Porta Pia, 1561. Chalk and ink on paper, 44.2 x 28.1 cm. Casa Buonarroti, Florence.
Maerten van Heemskerck, Rome, Old Saint Peter’s Basilica and the Vatican Palace, c. 1535. Brown pen on paper, 27.6 x 62.3 cm. Albertina, Vienna.
booksnbuildings:


Anonymous project for a triumphal arch (France, 19th century)
+
jmeijide:

tower-house . comlongon castle . 15th century . scotland
speciesbarocus:

Teodoro Ardemans - Monte Parnaso (c. 1700).
speciesbarocus:

Giuseppe Galli Bibiena (workshop of) - Sketch for a Catafalque for Louis, Grand Dauphin (c. 1711). Detail.
premoderno:

Château de Coucy - Aisne; Francia - 1220
archiveofaffinities:

Restormel Castle, Plan, Lostwithiel, Cornwall, England
Opicinus de Canistris (1296-ca. 1354) Cathedral of Pavia, Avignon, France; 1335-50 Biblioteca Apostolica Vaticana, Vatican City, Pal. Lat. 1993. Via DataDeluge
goodnighturpis:

1560s
Andrea Palladio
Plan, elevation and details of the Round Temple (‘Temple of Vesta’) in the Forum Boarium, Rome
mature handwriting
Plan and elevation: ruler and stylus, compasses, pen and brown ink, brush and pale grey wash; details: pen and brown ink, drawn freehand; underdrawing and some calculations in black chalk or graphite; the note at the bottom of the page was added later by Palladio in a darker ink;  London, RIBA Library, Drawings and Archives Collection, SC213/VIII lbr (right)
Palladio Beltramini G, Burns H, 2008,