{"id":61,"date":"2026-06-14T11:41:53","date_gmt":"2026-06-14T11:41:53","guid":{"rendered":"https:\/\/kosters.sd-lab.nl\/?page_id=61"},"modified":"2026-06-22T18:34:59","modified_gmt":"2026-06-22T18:34:59","slug":"materials","status":"publish","type":"page","link":"https:\/\/kosters.sd-lab.nl\/?page_id=61","title":{"rendered":"materials"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"640\" data-id=\"71\" src=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9583-2-Medium.jpeg\" alt=\"\" class=\"wp-image-71\" srcset=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9583-2-Medium.jpeg 480w, https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9583-2-Medium-225x300.jpeg 225w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"640\" data-id=\"72\" src=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9540-Medium.jpeg\" alt=\"\" class=\"wp-image-72\" srcset=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9540-Medium.jpeg 480w, https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9540-Medium-225x300.jpeg 225w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"640\" data-id=\"74\" src=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9499-2-Medium.jpeg\" alt=\"\" class=\"wp-image-74\" srcset=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9499-2-Medium.jpeg 480w, 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srcset=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9414-Medium.jpeg 480w, https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9414-Medium-225x300.jpeg 225w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"640\" data-id=\"77\" src=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9194-Medium.jpeg\" alt=\"\" class=\"wp-image-77\" srcset=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9194-Medium.jpeg 480w, https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_9194-Medium-225x300.jpeg 225w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"640\" data-id=\"78\" src=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_8990-Medium.jpeg\" alt=\"\" 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srcset=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_6262-2-Medium.jpeg 480w, https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_6262-2-Medium-225x300.jpeg 225w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"640\" data-id=\"475\" src=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_6298-2-Medium.jpeg\" alt=\"\" class=\"wp-image-475\" srcset=\"https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_6298-2-Medium.jpeg 480w, https:\/\/kosters.sd-lab.nl\/wp-content\/uploads\/2026\/06\/IMG_6298-2-Medium-225x300.jpeg 225w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"640\" data-id=\"484\" 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