Comparing the accuracy of professional and consumer grade 3D printers in complex models production

Šljivić, Milan; Pavlović, Ana; Ilić, Jovica; Stanojevic, Mico; Todorovic, Slavisa

doi:10.5937/fmet1703348s

Cited by 19 publications

(16 citation statements)

References 12 publications

(12 reference statements)

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“…Thus, due to this habituation effect, further research is needed to investigate speed selection changes over time according to the acquired route familiarity, as well as to find ways to maintain positive changes and safe behaviors. In order to realize this experiment in real situations, it is possible to use 3D printers for the preparation of 3D road markings, which are used in many areas of research [61,62].…”

Section: Further Researchmentioning

confidence: 99%

Perception of 3D virtual road markings: Based on estimation of vehicle speed

Trifunović¹,

Čičević²,

Lazarević³

et al. 2019

FME Transactions

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Excessive speed and poor drivers' perception are the causes of a large number of traffic accidents. Analysis of the influence of geometry in drivers' behavior has been widely performed by different researchers. One way to improve road safety is to provide adequate visibility in order to help drivers adopt adequate behaviors. When the budget is not sufficient for expensive traffic solutions, innovative but simple solutions can be implemented. In this study, the experiment was performed to explore how drivers' perception and behavior are influenced by two virtual 3D shapes' projections-a 3D alternative crosswalk pattern and speed bumps consisted of triangular prisms. The results show statistically significant differences between drivers' willingness to reduce vehicle speed as a response to the two types of road markings: the first one with the square shape base (rectangular prism) and the second one with triangular shape base (triangular prism).

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Section: Further Researchmentioning

confidence: 99%

Perception of 3D virtual road markings: Based on estimation of vehicle speed

Trifunović¹,

Čičević²,

Lazarević³

et al. 2019

FME Transactions

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“…In Figure 33 were presented a femur segment and a pelvis bone obtained with Prusa I3 3D printer [14]. -New computer-aided devices, such as the 3D scanner and 3D printer, also offer their availability in the development of new software techniques for analyzing and improving the medical diagnosis; -The emergence and integration of InVesalius or Mimics programs allow the development of new methods that connect more and more between the CT and the modeling of personalized pathological situations.…”

Section: D Printing Used For Orthopaedicsmentioning

confidence: 99%

CAD, CAE and rapid prototyping methods applied in long bones orthopaedics

Popa¹,

Buciu²,

Călin³

et al. 2019

FME Transactions

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The paper presents some methods used to analyze human bone joints. First, there were defined the "hard" parts as the main bone components and "soft" parts as ligaments or menisci using CT images. These components are imported into a parameterized environment assembly module and a biomechanical model of human walking is being obtained, which is exported to a kinematic simulation environment and finite element analysis, where first the kinematic parameters are defined. With these defined parameters, the kinematic and dynamic simulation of the subsystems for classical, normal motion can be switched. Following the interpretation of the results, the initial parameters of the biomechanical subsystems may be modified. In the next phase, the components of the subsystems are divided successively and the finite element structure is obtained for the entire biomechanical system of the joints that participate in human locomotion.

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“…The form tool was tested for accuracy on a random sample of the part. A point cloud was obtained by scanning with a laser scanner ZScanner®700 according to the procedure [14], Fig.9. For the needs of experimental verification, the workpiece material DOCAMID (PA-polyamide) was used.…”

Section: Experimental Verificationmentioning

confidence: 99%