diff --git a/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/model/Material.kt b/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/model/Material.kt
index 42b3185..c2fb8e3 100644
--- a/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/model/Material.kt
+++ b/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/model/Material.kt
@@ -105,7 +105,8 @@ fun material(
         material: Material,
         id: Long? = null,
         name: String? = null,
-) = Material(id ?: material.id, name ?: material.name, material.inventoryQuantity, material.isMixType, material.materialType)
+) = Material(id ?: material.id, name
+        ?: material.name, material.inventoryQuantity, material.isMixType, material.materialType)
 
 fun materialSaveDto(
         name: String = "name",
@@ -117,9 +118,9 @@ fun materialSaveDto(
 
 fun materialUpdateDto(
         id: Long = 0L,
-        name: String = "name",
-        inventoryQuantity: Float = 0f,
-        materialType: MaterialType = materialType(),
+        name: String? = "name",
+        inventoryQuantity: Float? = 0f,
+        materialType: MaterialType? = materialType(),
         simdutFile: MultipartFile? = null,
         op: MaterialUpdateDto.() -> Unit = {}
 ) = MaterialUpdateDto(id, name, inventoryQuantity, materialType, simdutFile).apply(op)
diff --git a/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/rest/MaterialController.kt b/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/rest/MaterialController.kt
index 4657207..e105eaf 100644
--- a/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/rest/MaterialController.kt
+++ b/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/rest/MaterialController.kt
@@ -1,16 +1,14 @@
 package dev.fyloz.trial.colorrecipesexplorer.rest
 
-import dev.fyloz.trial.colorrecipesexplorer.model.Material
-import dev.fyloz.trial.colorrecipesexplorer.model.MaterialSaveDto
-import dev.fyloz.trial.colorrecipesexplorer.model.MaterialUpdateDto
+import dev.fyloz.trial.colorrecipesexplorer.model.*
 import dev.fyloz.trial.colorrecipesexplorer.service.MaterialService
 import org.springframework.context.annotation.Profile
+import org.springframework.http.HttpHeaders
+import org.springframework.http.HttpStatus
 import org.springframework.http.MediaType
 import org.springframework.http.ResponseEntity
-import org.springframework.web.bind.annotation.PostMapping
-import org.springframework.web.bind.annotation.PutMapping
-import org.springframework.web.bind.annotation.RequestMapping
-import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.bind.annotation.*
+import org.springframework.web.multipart.MultipartFile
 
 private const val MATERIAL_CONTROLLER_PATH = "api/material"
 
@@ -18,11 +16,36 @@ private const val MATERIAL_CONTROLLER_PATH = "api/material"
 @RequestMapping(MATERIAL_CONTROLLER_PATH)
 @Profile("rest")
 class MaterialController(materialService: MaterialService) : AbstractRestModelApiController<Material, MaterialSaveDto, MaterialUpdateDto, MaterialService>(materialService, MATERIAL_CONTROLLER_PATH) {
+    @GetMapping("{id}/simdut/exists")
+    @ResponseStatus(HttpStatus.OK)
+    fun hasSimdut(@PathVariable id: Long): ResponseEntity<Boolean> =
+            ResponseEntity.ok(service.hasSimdut(id))
+
+    @GetMapping("{id}/simdut", produces = [MediaType.APPLICATION_PDF_VALUE])
+    @ResponseStatus(HttpStatus.OK)
+    fun getSimdut(@PathVariable id: Long): ResponseEntity<ByteArray> {
+        val simdutFile = service.getSimdut(id)
+        return if (simdutFile.isEmpty()) {
+            ResponseEntity.notFound().build()
+        } else {
+            val headers = HttpHeaders().apply { contentType = MediaType.APPLICATION_PDF }
+            ResponseEntity(simdutFile, headers, HttpStatus.OK)
+        }
+    }
+
     @PostMapping(consumes = [MediaType.MULTIPART_FORM_DATA_VALUE])
-    override fun save(entity: MaterialSaveDto): ResponseEntity<Material> = super.save(entity)
+    fun save(entity: MaterialSaveDto, simdutFile: MultipartFile): ResponseEntity<Material> =
+            super.save(materialSaveDto(name = entity.name, inventoryQuantity = entity.inventoryQuantity, materialType = entity.materialType, simdutFile = simdutFile))
+
+    @PostMapping("oldsave")
+    override fun save(entity: MaterialSaveDto): ResponseEntity<Material> =
+            ResponseEntity.notFound().build()
 
     @PutMapping(consumes = [MediaType.MULTIPART_FORM_DATA_VALUE])
-    override fun update(entity: MaterialUpdateDto): ResponseEntity<Void> {
-        return super.update(entity)
-    }
+    fun update(entity: MaterialUpdateDto, simdutFile: MultipartFile): ResponseEntity<Void> =
+            super.update(materialUpdateDto(name = entity.name, inventoryQuantity = entity.inventoryQuantity, materialType = entity.materialType, simdutFile = simdutFile))
+
+    @PutMapping("oldupdate")
+    override fun update(entity: MaterialUpdateDto): ResponseEntity<Void> =
+            super.update(entity)
 }
diff --git a/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/service/MaterialService.kt b/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/service/MaterialService.kt
index af04e2c..395a918 100644
--- a/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/service/MaterialService.kt
+++ b/src/main/kotlin/dev/fyloz/trial/colorrecipesexplorer/service/MaterialService.kt
@@ -1,13 +1,11 @@
 package dev.fyloz.trial.colorrecipesexplorer.service
 
-import dev.fyloz.trial.colorrecipesexplorer.repository.MaterialRepository
 import dev.fyloz.trial.colorrecipesexplorer.exception.model.EntityAlreadyExistsRestException
-import dev.fyloz.trial.colorrecipesexplorer.exception.model.EntityNotFoundRestException
 import dev.fyloz.trial.colorrecipesexplorer.model.*
+import dev.fyloz.trial.colorrecipesexplorer.repository.MaterialRepository
 import dev.fyloz.trial.colorrecipesexplorer.service.files.SimdutService
 import dev.fyloz.trial.colorrecipesexplorer.service.model.MixQuantityService
 import io.jsonwebtoken.lang.Assert
-import org.springframework.context.annotation.Profile
 import org.springframework.stereotype.Service
 
 interface MaterialService : NamedModelService<Material, MaterialSaveDto, MaterialUpdateDto, MaterialRepository> {
@@ -17,6 +15,12 @@ interface MaterialService : NamedModelService<Material, MaterialSaveDto, Materia
     /** Checks if the given [material] is used by at least one mix. */
     fun isLinkedToMixes(material: Material): Boolean
 
+    /** Checks if the material with the given [id] has a SIMDUT file. */
+    fun hasSimdut(id: Long): Boolean
+
+    /** Gets the SIMDUT file of the material with the given [id]. */
+    fun getSimdut(id: Long): ByteArray
+
     /** Gets all materials that are not a mix type. */
     fun getAllNotMixType(): Collection<Material>
 }
@@ -27,6 +31,8 @@ class MaterialServiceImpl(materialRepository: MaterialRepository, val mixQuantit
         MaterialService {
     override fun existsByMaterialType(materialType: MaterialType): Boolean = repository.existsByMaterialType(materialType)
     override fun isLinkedToMixes(material: Material): Boolean = mixQuantityService.existsByMaterial(material)
+    override fun hasSimdut(id: Long): Boolean = simdutService.exists(getById(id))
+    override fun getSimdut(id: Long): ByteArray = simdutService.read(getById(id))
     override fun getAllNotMixType(): Collection<Material> = getAll().filter { !it.isMixType }
 
     override fun save(entity: MaterialSaveDto): Material =
diff --git a/src/test/kotlin/dev/fyloz/trial/colorrecipesexplorer/service/MaterialServiceTest.kt b/src/test/kotlin/dev/fyloz/trial/colorrecipesexplorer/service/MaterialServiceTest.kt
index 4ba889d..de58191 100644
--- a/src/test/kotlin/dev/fyloz/trial/colorrecipesexplorer/service/MaterialServiceTest.kt
+++ b/src/test/kotlin/dev/fyloz/trial/colorrecipesexplorer/service/MaterialServiceTest.kt
@@ -77,6 +77,29 @@ class MaterialServiceTest : AbstractNamedModelServiceTest<Material, MaterialSave
         }
     }
 
+    @Nested
+    inner class HasSimdut {
+        @Test
+        fun `returns false when simdutService_exists() returns false`() {
+            whenever(simdutService.exists(entity)).doReturn(false)
+            doReturn(entity).whenever(service).getById(entity.id!!)
+
+            val found = service.hasSimdut(entity.id!!)
+
+            assertFalse(found)
+        }
+
+        @Test
+        fun `returns true when simdutService_exists() returns true`() {
+            whenever(simdutService.exists(entity)).doReturn(true)
+            doReturn(entity).whenever(service).getById(entity.id!!)
+
+            val found = service.hasSimdut(entity.id!!)
+
+            assertTrue(found)
+        }
+    }
+
     @Nested
     inner class GetAllNotMixType {
         @Test